Below are the 3146 trading days of historical prices for AMRC.
# | Exchange | Symbol | Date | Open | High | Low | Close | 3146 | NYSE | AMRC | Thu, Jan 19, 2023 | 60.10 | 60.83 | 58.56 | 59.52 | 3145 | NYSE | AMRC | Wed, Jan 18, 2023 | 61.58 | 62.96 | 60.07 | 61.20 | 3144 | NYSE | AMRC | Tue, Jan 17, 2023 | 60.01 | 62.44 | 59.61 | 60.90 | 3143 | NYSE | AMRC | Fri, Jan 13, 2023 | 59.37 | 60.28 | 57.80 | 59.70 | 3142 | NYSE | AMRC | Thu, Jan 12, 2023 | 59.41 | 60.45 | 58.41 | 60.07 | 3141 | NYSE | AMRC | Wed, Jan 11, 2023 | 58.30 | 60.65 | 58.30 | 59.03 | 3140 | NYSE | AMRC | Tue, Jan 10, 2023 | 56.43 | 57.59 | 55.95 | 57.44 | 3139 | NYSE | AMRC | Mon, Jan 9, 2023 | 56.27 | 58.39 | 56.09 | 56.56 | 3138 | NYSE | AMRC | Fri, Jan 6, 2023 | 53.68 | 55.31 | 52.36 | 55.27 | 3137 | NYSE | AMRC | Thu, Jan 5, 2023 | 57.23 | 57.23 | 52.84 | 52.95 | 3136 | NYSE | AMRC | Wed, Jan 4, 2023 | 56.52 | 58.48 | 55.93 | 57.62 | 3135 | NYSE | AMRC | Tue, Jan 3, 2023 | 57.55 | 57.61 | 54.71 | 55.62 | 3134 | NYSE | AMRC | Fri, Dec 30, 2022 | 57.00 | 57.59 | 56.26 | 57.14 | 3133 | NYSE | AMRC | Thu, Dec 29, 2022 | 56.19 | 57.87 | 55.82 | 57.66 | 3132 | NYSE | AMRC | Wed, Dec 28, 2022 | 56.74 | 56.91 | 54.97 | 55.24 | 3131 | NYSE | AMRC | Tue, Dec 27, 2022 | 56.08 | 57.41 | 54.49 | 56.53 | 3130 | NYSE | AMRC | Fri, Dec 23, 2022 | 55.17 | 56.35 | 54.14 | 56.33 | 3129 | NYSE | AMRC | Thu, Dec 22, 2022 | 58.45 | 58.50 | 54.60 | 55.13 | 3128 | NYSE | AMRC | Wed, Dec 21, 2022 | 56.63 | 59.99 | 55.69 | 59.63 | 3127 | NYSE | AMRC | Tue, Dec 20, 2022 | 56.37 | 58.56 | 56.02 | 56.31 | 3126 | NYSE | AMRC | Mon, Dec 19, 2022 | 60.28 | 60.28 | 56.26 | 56.70 | 3125 | NYSE | AMRC | Fri, Dec 16, 2022 | 61.51 | 62.17 | 58.72 | 60.34 | 3124 | NYSE | AMRC | Thu, Dec 15, 2022 | 62.82 | 63.77 | 61.34 | 61.82 | 3123 | NYSE | AMRC | Wed, Dec 14, 2022 | 63.19 | 65.42 | 63.19 | 64.03 | 3122 | NYSE | AMRC | Tue, Dec 13, 2022 | 62.65 | 64.67 | 61.94 | 63.64 | 3121 | NYSE | AMRC | Mon, Dec 12, 2022 | 61.13 | 62.11 | 59.52 | 59.70 | 3120 | NYSE | AMRC | Fri, Dec 9, 2022 | 62.37 | 63.10 | 60.66 | 61.06 | 3119 | NYSE | AMRC | Thu, Dec 8, 2022 | 63.06 | 63.68 | 61.34 | 63.00 | 3118 | NYSE | AMRC | Wed, Dec 7, 2022 | 61.58 | 62.80 | 61.02 | 62.68 | 3117 | NYSE | AMRC | Tue, Dec 6, 2022 | 66.85 | 67.00 | 61.42 | 61.91 | 3116 | NYSE | AMRC | Mon, Dec 5, 2022 | 67.16 | 68.39 | 66.18 | 66.88 | 3115 | NYSE | AMRC | Fri, Dec 2, 2022 | 64.42 | 68.75 | 64.18 | 67.64 | 3114 | NYSE | AMRC | Thu, Dec 1, 2022 | 65.57 | 66.32 | 63.23 | 65.39 | 3113 | NYSE | AMRC | Wed, Nov 30, 2022 | 62.72 | 65.53 | 62.25 | 65.52 | 3112 | NYSE | AMRC | Tue, Nov 29, 2022 | 61.61 | 62.74 | 60.97 | 62.01 | 3111 | NYSE | AMRC | Mon, Nov 28, 2022 | 64.10 | 64.62 | 61.01 | 61.66 | 3110 | NYSE | AMRC | Fri, Nov 25, 2022 | 63.57 | 65.67 | 63.33 | 64.89 | 3109 | NYSE | AMRC | Wed, Nov 23, 2022 | 62.81 | 64.00 | 62.61 | 63.63 | 3108 | NYSE | AMRC | Tue, Nov 22, 2022 | 63.15 | 63.77 | 62.27 | 63.45 | 3107 | NYSE | AMRC | Mon, Nov 21, 2022 | 64.17 | 64.73 | 62.39 | 62.98 | 3106 | NYSE | AMRC | Fri, Nov 18, 2022 | 64.62 | 65.72 | 63.07 | 64.56 | 3105 | NYSE | AMRC | Thu, Nov 17, 2022 | 60.90 | 62.72 | 60.36 | 62.68 | 3104 | NYSE | AMRC | Wed, Nov 16, 2022 | 62.70 | 64.42 | 62.32 | 62.69 | 3103 | NYSE | AMRC | Tue, Nov 15, 2022 | 62.39 | 64.88 | 60.67 | 63.61 | 3102 | NYSE | AMRC | Mon, Nov 14, 2022 | 60.21 | 61.89 | 59.47 | 59.85 | 3101 | NYSE | AMRC | Fri, Nov 11, 2022 | 61.96 | 65.12 | 60.67 | 61.16 | 3100 | NYSE | AMRC | Thu, Nov 10, 2022 | 59.37 | 62.58 | 58.26 | 61.94 | 3099 | NYSE | AMRC | Wed, Nov 9, 2022 | 54.90 | 56.36 | 54.38 | 55.04 | 3098 | NYSE | AMRC | Tue, Nov 8, 2022 | 53.80 | 56.16 | 52.96 | 55.72 | 3097 | NYSE | AMRC | Mon, Nov 7, 2022 | 53.75 | 54.69 | 51.40 | 53.00 | 3096 | NYSE | AMRC | Fri, Nov 4, 2022 | 53.04 | 53.86 | 50.61 | 52.94 | 3095 | NYSE | AMRC | Thu, Nov 3, 2022 | 52.31 | 55.29 | 51.72 | 52.10 | 3094 | NYSE | AMRC | Wed, Nov 2, 2022 | 60.01 | 61.00 | 51.57 | 52.00 | 3093 | NYSE | AMRC | Tue, Nov 1, 2022 | 62.15 | 62.18 | 59.61 | 60.08 | 3092 | NYSE | AMRC | Mon, Oct 31, 2022 | 58.91 | 61.17 | 57.99 | 60.48 | 3091 | NYSE | AMRC | Fri, Oct 28, 2022 | 60.50 | 60.67 | 56.83 | 59.15 | 3090 | NYSE | AMRC | Thu, Oct 27, 2022 | 61.58 | 61.79 | 59.75 | 60.06 | 3089 | NYSE | AMRC | Wed, Oct 26, 2022 | 61.68 | 63.07 | 60.64 | 61.01 | 3088 | NYSE | AMRC | Tue, Oct 25, 2022 | 57.47 | 62.09 | 56.80 | 61.73 | 3087 | NYSE | AMRC | Mon, Oct 24, 2022 | 56.23 | 57.97 | 54.56 | 57.16 | 3086 | NYSE | AMRC | Fri, Oct 21, 2022 | 55.00 | 56.73 | 53.71 | 55.99 | 3085 | NYSE | AMRC | Thu, Oct 20, 2022 | 60.37 | 60.37 | 55.22 | 55.27 | 3084 | NYSE | AMRC | Wed, Oct 19, 2022 | 61.55 | 61.64 | 59.20 | 60.52 | 3083 | NYSE | AMRC | Tue, Oct 18, 2022 | 67.66 | 68.86 | 62.64 | 62.74 | 3082 | NYSE | AMRC | Mon, Oct 17, 2022 | 63.52 | 66.68 | 63.50 | 64.74 | 3081 | NYSE | AMRC | Fri, Oct 14, 2022 | 63.49 | 64.68 | 61.45 | 61.46 | 3080 | NYSE | AMRC | Thu, Oct 13, 2022 | 60.45 | 64.45 | 59.69 | 63.30 | 3079 | NYSE | AMRC | Wed, Oct 12, 2022 | 63.03 | 63.03 | 59.20 | 62.24 | 3078 | NYSE | AMRC | Tue, Oct 11, 2022 | 61.33 | 63.50 | 59.48 | 62.50 | 3077 | NYSE | AMRC | Mon, Oct 10, 2022 | 61.13 | 63.29 | 60.81 | 62.35 | 3076 | NYSE | AMRC | Fri, Oct 7, 2022 | 65.00 | 65.45 | 61.31 | 61.71 | 3075 | NYSE | AMRC | Thu, Oct 6, 2022 | 68.92 | 70.80 | 65.55 | 65.80 | 3074 | NYSE | AMRC | Wed, Oct 5, 2022 | 70.60 | 70.70 | 67.31 | 69.23 | 3073 | NYSE | AMRC | Tue, Oct 4, 2022 | 71.39 | 72.82 | 70.07 | 71.81 | 3072 | NYSE | AMRC | Mon, Oct 3, 2022 | 67.99 | 70.35 | 65.00 | 69.31 | 3071 | NYSE | AMRC | Fri, Sep 30, 2022 | 63.96 | 68.67 | 63.31 | 66.48 | 3070 | NYSE | AMRC | Thu, Sep 29, 2022 | 68.70 | 68.70 | 62.03 | 63.81 | 3069 | NYSE | AMRC | Wed, Sep 28, 2022 | 66.91 | 71.15 | 66.14 | 69.89 | 3068 | NYSE | AMRC | Tue, Sep 27, 2022 | 68.94 | 69.55 | 65.07 | 66.24 | 3067 | NYSE | AMRC | Mon, Sep 26, 2022 | 66.99 | 70.71 | 66.75 | 68.22 | 3066 | NYSE | AMRC | Fri, Sep 23, 2022 | 64.29 | 65.11 | 62.37 | 65.02 | 3065 | NYSE | AMRC | Thu, Sep 22, 2022 | 69.09 | 69.09 | 65.66 | 66.48 | 3064 | NYSE | AMRC | Wed, Sep 21, 2022 | 68.94 | 71.70 | 67.60 | 69.15 | 3063 | NYSE | AMRC | Tue, Sep 20, 2022 | 71.32 | 71.32 | 68.40 | 68.48 | 3062 | NYSE | AMRC | Mon, Sep 19, 2022 | 71.10 | 73.60 | 70.89 | 72.13 | 3061 | NYSE | AMRC | Fri, Sep 16, 2022 | 72.06 | 73.66 | 71.29 | 73.17 | 3060 | NYSE | AMRC | Thu, Sep 15, 2022 | 75.23 | 76.54 | 73.27 | 73.70 | 3059 | NYSE | AMRC | Wed, Sep 14, 2022 | 71.94 | 76.50 | 71.63 | 76.34 | 3058 | NYSE | AMRC | Tue, Sep 13, 2022 | 69.29 | 73.38 | 69.01 | 72.33 | 3057 | NYSE | AMRC | Mon, Sep 12, 2022 | 74.48 | 74.98 | 69.47 | 73.07 | 3056 | NYSE | AMRC | Fri, Sep 9, 2022 | 75.11 | 76.26 | 74.34 | 74.74 | 3055 | NYSE | AMRC | Thu, Sep 8, 2022 | 71.38 | 74.67 | 71.05 | 74.50 | 3054 | NYSE | AMRC | Wed, Sep 7, 2022 | 66.50 | 72.32 | 65.86 | 72.16 | 3053 | NYSE | AMRC | Tue, Sep 6, 2022 | 64.81 | 67.29 | 63.78 | 66.74 | 3052 | NYSE | AMRC | Fri, Sep 2, 2022 | 67.41 | 67.64 | 64.40 | 64.48 | 3051 | NYSE | AMRC | Thu, Sep 1, 2022 | 67.58 | 68.32 | 64.01 | 66.08 | 3050 | NYSE | AMRC | Wed, Aug 31, 2022 | 67.25 | 69.40 | 66.75 | 68.85 | 3049 | NYSE | AMRC | Tue, Aug 30, 2022 | 68.00 | 68.42 | 65.48 | 67.11 | 3048 | NYSE | AMRC | Mon, Aug 29, 2022 | 65.90 | 68.52 | 65.11 | 67.25 | 3047 | NYSE | AMRC | Fri, Aug 26, 2022 | 68.44 | 69.43 | 66.07 | 66.91 | 3046 | NYSE | AMRC | Thu, Aug 25, 2022 | 66.62 | 68.31 | 65.58 | 68.31 | 3045 | NYSE | AMRC | Wed, Aug 24, 2022 | 63.51 | 66.10 | 62.84 | 65.38 | 3044 | NYSE | AMRC | Tue, Aug 23, 2022 | 63.90 | 64.74 | 62.09 | 63.23 | 3043 | NYSE | AMRC | Mon, Aug 22, 2022 | 63.70 | 64.64 | 62.63 | 63.64 | 3042 | NYSE | AMRC | Fri, Aug 19, 2022 | 69.01 | 69.07 | 65.01 | 65.73 | 3041 | NYSE | AMRC | Thu, Aug 18, 2022 | 68.00 | 71.84 | 68.00 | 70.91 | 3040 | NYSE | AMRC | Wed, Aug 17, 2022 | 67.64 | 68.13 | 65.83 | 67.05 | 3039 | NYSE | AMRC | Tue, Aug 16, 2022 | 70.01 | 70.13 | 68.38 | 68.72 | 3038 | NYSE | AMRC | Mon, Aug 15, 2022 | 68.81 | 70.91 | 67.55 | 70.21 | 3037 | NYSE | AMRC | Fri, Aug 12, 2022 | 69.89 | 70.38 | 68.48 | 70.02 | 3036 | NYSE | AMRC | Thu, Aug 11, 2022 | 72.27 | 72.36 | 69.34 | 69.72 | 3035 | NYSE | AMRC | Wed, Aug 10, 2022 | 70.68 | 71.62 | 68.49 | 70.65 | 3034 | NYSE | AMRC | Tue, Aug 9, 2022 | 68.72 | 70.40 | 66.51 | 67.90 | 3033 | NYSE | AMRC | Mon, Aug 8, 2022 | 67.07 | 71.27 | 67.07 | 69.73 | 3032 | NYSE | AMRC | Fri, Aug 5, 2022 | 66.54 | 67.15 | 64.52 | 65.94 | 3031 | NYSE | AMRC | Thu, Aug 4, 2022 | 63.67 | 68.56 | 63.43 | 66.91 | 3030 | NYSE | AMRC | Wed, Aug 3, 2022 | 64.83 | 64.96 | 60.57 | 63.97 | 3029 | NYSE | AMRC | Tue, Aug 2, 2022 | 59.26 | 65.35 | 59.10 | 64.00 | 3028 | NYSE | AMRC | Mon, Aug 1, 2022 | 56.65 | 58.44 | 55.63 | 57.81 | 3027 | NYSE | AMRC | Fri, Jul 29, 2022 | 54.66 | 57.46 | 53.83 | 57.22 | 3026 | NYSE | AMRC | Thu, Jul 28, 2022 | 53.80 | 56.64 | 52.74 | 54.65 | 3025 | NYSE | AMRC | Wed, Jul 27, 2022 | 46.48 | 49.76 | 46.25 | 49.36 | 3024 | NYSE | AMRC | Tue, Jul 26, 2022 | 45.82 | 47.01 | 44.63 | 45.43 | 3023 | NYSE | AMRC | Mon, Jul 25, 2022 | 45.97 | 46.64 | 45.02 | 46.50 | 3022 | NYSE | AMRC | Fri, Jul 22, 2022 | 47.88 | 48.01 | 44.73 | 45.39 | 3021 | NYSE | AMRC | Thu, Jul 21, 2022 | 46.50 | 47.71 | 45.28 | 47.30 | 3020 | NYSE | AMRC | Wed, Jul 20, 2022 | 46.07 | 47.95 | 46.00 | 47.03 | 3019 | NYSE | AMRC | Tue, Jul 19, 2022 | 44.95 | 46.39 | 44.51 | 46.07 | 3018 | NYSE | AMRC | Mon, Jul 18, 2022 | 44.93 | 46.38 | 44.25 | 44.44 | 3017 | NYSE | AMRC | Fri, Jul 15, 2022 | 43.43 | 44.22 | 41.34 | 43.72 | 3016 | NYSE | AMRC | Thu, Jul 14, 2022 | 44.07 | 45.00 | 42.51 | 43.66 | 3015 | NYSE | AMRC | Wed, Jul 13, 2022 | 44.36 | 46.72 | 42.93 | 45.57 | 3014 | NYSE | AMRC | Tue, Jul 12, 2022 | 44.42 | 45.35 | 43.40 | 44.47 | 3013 | NYSE | AMRC | Mon, Jul 11, 2022 | 47.09 | 47.09 | 44.34 | 44.39 | 3012 | NYSE | AMRC | Fri, Jul 8, 2022 | 44.24 | 47.39 | 43.64 | 47.32 | 3011 | NYSE | AMRC | Thu, Jul 7, 2022 | 41.87 | 44.76 | 41.87 | 44.53 | 3010 | NYSE | AMRC | Wed, Jul 6, 2022 | 42.43 | 43.39 | 40.73 | 41.40 | 3009 | NYSE | AMRC | Tue, Jul 5, 2022 | 44.70 | 44.70 | 41.78 | 42.62 | 3008 | NYSE | AMRC | Fri, Jul 1, 2022 | 45.78 | 46.16 | 44.95 | 45.87 | 3007 | NYSE | AMRC | Thu, Jun 30, 2022 | 42.41 | 45.64 | 42.00 | 45.56 | 3006 | NYSE | AMRC | Wed, Jun 29, 2022 | 45.22 | 45.22 | 42.40 | 43.09 | 3005 | NYSE | AMRC | Tue, Jun 28, 2022 | 48.10 | 48.89 | 45.44 | 45.47 | 3004 | NYSE | AMRC | Mon, Jun 27, 2022 | 47.76 | 48.34 | 46.47 | 47.86 | 3003 | NYSE | AMRC | Fri, Jun 24, 2022 | 48.60 | 49.51 | 47.04 | 47.24 | 3002 | NYSE | AMRC | Thu, Jun 23, 2022 | 46.11 | 48.13 | 44.83 | 47.96 | 3001 | NYSE | AMRC | Wed, Jun 22, 2022 | 44.46 | 45.61 | 44.15 | 45.34 | 3000 | NYSE | AMRC | Tue, Jun 21, 2022 | 46.17 | 47.10 | 45.30 | 45.63 | 2999 | NYSE | AMRC | Fri, Jun 17, 2022 | 45.29 | 46.78 | 44.90 | 45.12 | 2998 | NYSE | AMRC | Thu, Jun 16, 2022 | 46.00 | 47.04 | 44.20 | 44.64 | 2997 | NYSE | AMRC | Wed, Jun 15, 2022 | 46.87 | 48.81 | 45.61 | 47.88 | 2996 | NYSE | AMRC | Tue, Jun 14, 2022 | 45.63 | 46.26 | 44.49 | 45.96 | 2995 | NYSE | AMRC | Mon, Jun 13, 2022 | 49.59 | 50.12 | 45.73 | 45.87 | 2994 | NYSE | AMRC | Fri, Jun 10, 2022 | 53.39 | 56.03 | 51.80 | 52.06 | 2993 | NYSE | AMRC | Thu, Jun 9, 2022 | 50.99 | 56.33 | 50.50 | 54.65 | 2992 | NYSE | AMRC | Wed, Jun 8, 2022 | 58.52 | 59.66 | 55.17 | 55.92 | 2991 | NYSE | AMRC | Tue, Jun 7, 2022 | 58.22 | 58.82 | 55.80 | 58.78 | 2990 | NYSE | AMRC | Mon, Jun 6, 2022 | 61.15 | 61.90 | 58.37 | 59.40 | 2989 | NYSE | AMRC | Fri, Jun 3, 2022 | 62.66 | 62.87 | 59.33 | 59.40 | 2988 | NYSE | AMRC | Thu, Jun 2, 2022 | 59.05 | 63.75 | 58.79 | 63.62 | 2987 | NYSE | AMRC | Wed, Jun 1, 2022 | 59.06 | 60.45 | 56.68 | 58.26 | 2986 | NYSE | AMRC | Tue, May 31, 2022 | 62.37 | 62.37 | 57.72 | 58.72 | 2985 | NYSE | AMRC | Fri, May 27, 2022 | 58.12 | 63.10 | 57.88 | 62.54 | 2984 | NYSE | AMRC | Thu, May 26, 2022 | 54.57 | 58.20 | 53.77 | 57.75 | 2983 | NYSE | AMRC | Wed, May 25, 2022 | 55.11 | 56.39 | 53.79 | 54.46 | 2982 | NYSE | AMRC | Tue, May 24, 2022 | 55.50 | 56.16 | 53.49 | 55.68 | 2981 | NYSE | AMRC | Mon, May 23, 2022 | 56.01 | 56.99 | 53.76 | 56.11 | 2980 | NYSE | AMRC | Fri, May 20, 2022 | 56.21 | 56.23 | 53.23 | 55.44 | 2979 | NYSE | AMRC | Thu, May 19, 2022 | 52.32 | 56.51 | 52.12 | 55.43 | 2978 | NYSE | AMRC | Wed, May 18, 2022 | 52.53 | 55.01 | 51.09 | 52.08 | 2977 | NYSE | AMRC | Tue, May 17, 2022 | 52.08 | 53.47 | 51.04 | 53.40 | 2976 | NYSE | AMRC | Mon, May 16, 2022 | 52.17 | 52.74 | 50.13 | 50.44 | 2975 | NYSE | AMRC | Fri, May 13, 2022 | 50.40 | 52.83 | 49.38 | 52.48 | 2974 | NYSE | AMRC | Thu, May 12, 2022 | 47.88 | 50.50 | 47.26 | 49.10 | 2973 | NYSE | AMRC | Wed, May 11, 2022 | 52.52 | 53.26 | 48.99 | 49.19 | 2972 | NYSE | AMRC | Tue, May 10, 2022 | 53.44 | 54.52 | 50.56 | 52.64 | 2971 | NYSE | AMRC | Mon, May 9, 2022 | 54.66 | 55.43 | 51.28 | 51.85 | 2970 | NYSE | AMRC | Fri, May 6, 2022 | 59.15 | 60.32 | 55.09 | 56.24 | 2969 | NYSE | AMRC | Thu, May 5, 2022 | 61.57 | 62.13 | 59.05 | 59.88 | 2968 | NYSE | AMRC | Wed, May 4, 2022 | 57.80 | 63.13 | 57.43 | 62.84 | 2967 | NYSE | AMRC | Tue, May 3, 2022 | 53.89 | 59.79 | 53.59 | 58.32 | 2966 | NYSE | AMRC | Mon, May 2, 2022 | 50.09 | 52.29 | 49.50 | 51.85 | 2965 | NYSE | AMRC | Fri, Apr 29, 2022 | 51.19 | 53.05 | 50.19 | 50.44 | 2964 | NYSE | AMRC | Thu, Apr 28, 2022 | 52.30 | 53.15 | 50.19 | 51.79 | 2963 | NYSE | AMRC | Wed, Apr 27, 2022 | 51.33 | 53.43 | 50.65 | 51.73 | 2962 | NYSE | AMRC | Tue, Apr 26, 2022 | 53.18 | 53.33 | 50.51 | 50.78 | 2961 | NYSE | AMRC | Mon, Apr 25, 2022 | 50.87 | 53.94 | 50.71 | 53.69 | 2960 | NYSE | AMRC | Fri, Apr 22, 2022 | 52.76 | 54.29 | 51.55 | 51.79 | 2959 | NYSE | AMRC | Thu, Apr 21, 2022 | 57.16 | 58.33 | 52.05 | 52.85 | 2958 | NYSE | AMRC | Wed, Apr 20, 2022 | 57.48 | 58.29 | 56.14 | 56.21 | 2957 | NYSE | AMRC | Tue, Apr 19, 2022 | 56.49 | 57.89 | 55.50 | 56.48 | 2956 | NYSE | AMRC | Mon, Apr 18, 2022 | 56.67 | 57.55 | 54.92 | 56.50 | 2955 | NYSE | AMRC | Thu, Apr 14, 2022 | 59.52 | 60.26 | 57.02 | 57.08 | 2954 | NYSE | AMRC | Wed, Apr 13, 2022 | 59.21 | 59.76 | 57.58 | 59.07 | 2953 | NYSE | AMRC | Tue, Apr 12, 2022 | 61.56 | 62.26 | 58.93 | 59.41 | 2952 | NYSE | AMRC | Mon, Apr 11, 2022 | 63.49 | 63.49 | 59.34 | 60.90 | 2951 | NYSE | AMRC | Fri, Apr 8, 2022 | 75.38 | 75.38 | 69.11 | 69.28 | 2950 | NYSE | AMRC | Thu, Apr 7, 2022 | 77.03 | 80.00 | 73.66 | 75.64 | 2949 | NYSE | AMRC | Wed, Apr 6, 2022 | 77.55 | 78.48 | 75.68 | 76.63 | 2948 | NYSE | AMRC | Tue, Apr 5, 2022 | 81.75 | 82.00 | 78.13 | 79.35 | 2947 | NYSE | AMRC | Mon, Apr 4, 2022 | 80.28 | 81.87 | 78.92 | 81.13 | 2946 | NYSE | AMRC | Fri, Apr 1, 2022 | 79.72 | 80.98 | 78.46 | 80.02 | 2945 | NYSE | AMRC | Thu, Mar 31, 2022 | 81.43 | 82.00 | 79.31 | 79.50 | 2944 | NYSE | AMRC | Wed, Mar 30, 2022 | 83.67 | 84.14 | 81.30 | 81.64 | 2943 | NYSE | AMRC | Tue, Mar 29, 2022 | 84.65 | 85.55 | 82.54 | 83.41 | 2942 | NYSE | AMRC | Mon, Mar 28, 2022 | 83.05 | 84.89 | 79.53 | 83.36 | 2941 | NYSE | AMRC | Fri, Mar 25, 2022 | 83.30 | 83.98 | 82.09 | 82.97 | 2940 | NYSE | AMRC | Thu, Mar 24, 2022 | 79.48 | 86.73 | 79.25 | 83.41 | 2939 | NYSE | AMRC | Wed, Mar 23, 2022 | 74.79 | 78.29 | 73.54 | 76.91 | 2938 | NYSE | AMRC | Tue, Mar 22, 2022 | 74.78 | 78.18 | 74.43 | 75.80 | 2937 | NYSE | AMRC | Mon, Mar 21, 2022 | 75.97 | 76.75 | 74.09 | 75.80 | 2936 | NYSE | AMRC | Fri, Mar 18, 2022 | 75.59 | 78.57 | 73.31 | 76.59 | 2935 | NYSE | AMRC | Thu, Mar 17, 2022 | 73.26 | 76.83 | 73.26 | 75.94 | 2934 | NYSE | AMRC | Wed, Mar 16, 2022 | 71.37 | 73.85 | 70.21 | 73.52 | 2933 | NYSE | AMRC | Tue, Mar 15, 2022 | 68.20 | 70.40 | 66.63 | 70.39 | 2932 | NYSE | AMRC | Mon, Mar 14, 2022 | 74.19 | 74.23 | 66.55 | 68.67 | 2931 | NYSE | AMRC | Fri, Mar 11, 2022 | 78.38 | 79.88 | 74.57 | 75.41 | 2930 | NYSE | AMRC | Thu, Mar 10, 2022 | 74.28 | 79.83 | 73.75 | 77.68 | 2929 | NYSE | AMRC | Wed, Mar 9, 2022 | 74.84 | 79.18 | 71.12 | 76.86 | 2928 | NYSE | AMRC | Tue, Mar 8, 2022 | 70.75 | 77.10 | 70.71 | 76.71 | 2927 | NYSE | AMRC | Mon, Mar 7, 2022 | 64.00 | 70.50 | 63.15 | 70.02 | 2926 | NYSE | AMRC | Fri, Mar 4, 2022 | 62.40 | 63.91 | 60.32 | 63.19 | 2925 | NYSE | AMRC | Thu, Mar 3, 2022 | 64.88 | 65.27 | 61.56 | 62.38 | 2924 | NYSE | AMRC | Wed, Mar 2, 2022 | 64.94 | 65.82 | 63.05 | 64.78 | 2923 | NYSE | AMRC | Tue, Mar 1, 2022 | 64.50 | 65.83 | 59.56 | 64.23 | 2922 | NYSE | AMRC | Mon, Feb 28, 2022 | 60.05 | 65.38 | 60.05 | 64.25 | 2921 | NYSE | AMRC | Fri, Feb 25, 2022 | 58.30 | 59.34 | 56.04 | 58.42 | 2920 | NYSE | AMRC | Thu, Feb 24, 2022 | 50.01 | 58.80 | 50.01 | 58.57 | 2919 | NYSE | AMRC | Wed, Feb 23, 2022 | 53.67 | 54.19 | 51.82 | 51.89 | 2918 | NYSE | AMRC | Tue, Feb 22, 2022 | 52.41 | 54.56 | 51.92 | 52.70 | 2917 | NYSE | AMRC | Fri, Feb 18, 2022 | 54.59 | 55.59 | 53.41 | 53.59 | 2916 | NYSE | AMRC | Thu, Feb 17, 2022 | 54.89 | 55.61 | 53.89 | 54.59 | 2915 | NYSE | AMRC | Wed, Feb 16, 2022 | 55.11 | 56.65 | 54.10 | 55.78 | 2914 | NYSE | AMRC | Tue, Feb 15, 2022 | 53.55 | 56.55 | 53.55 | 56.07 | 2913 | NYSE | AMRC | Mon, Feb 14, 2022 | 51.87 | 53.74 | 51.23 | 52.46 | 2912 | NYSE | AMRC | Fri, Feb 11, 2022 | 53.45 | 54.97 | 51.55 | 52.28 | 2911 | NYSE | AMRC | Thu, Feb 10, 2022 | 52.04 | 56.34 | 52.04 | 53.73 | 2910 | NYSE | AMRC | Wed, Feb 9, 2022 | 51.90 | 55.15 | 51.51 | 54.17 | 2909 | NYSE | AMRC | Tue, Feb 8, 2022 | 48.01 | 51.11 | 47.59 | 50.50 | 2908 | NYSE | AMRC | Mon, Feb 7, 2022 | 46.54 | 49.46 | 46.50 | 48.56 | 2907 | NYSE | AMRC | Fri, Feb 4, 2022 | 47.37 | 48.28 | 46.18 | 47.03 | 2906 | NYSE | AMRC | Thu, Feb 3, 2022 | 48.07 | 50.09 | 47.50 | 47.64 | 2905 | NYSE | AMRC | Wed, Feb 2, 2022 | 51.76 | 51.99 | 48.96 | 49.28 | 2904 | NYSE | AMRC | Tue, Feb 1, 2022 | 51.10 | 51.95 | 48.24 | 50.00 | 2903 | NYSE | AMRC | Mon, Jan 31, 2022 | 46.10 | 50.62 | 46.10 | 50.61 | 2902 | NYSE | AMRC | Fri, Jan 28, 2022 | 44.57 | 46.15 | 42.53 | 46.11 | 2901 | NYSE | AMRC | Thu, Jan 27, 2022 | 48.41 | 49.39 | 43.65 | 44.15 | 2900 | NYSE | AMRC | Wed, Jan 26, 2022 | 50.30 | 51.71 | 47.15 | 48.22 | 2899 | NYSE | AMRC | Tue, Jan 25, 2022 | 49.09 | 49.74 | 47.35 | 48.96 | 2898 | NYSE | AMRC | Mon, Jan 24, 2022 | 47.13 | 51.00 | 44.13 | 50.52 | 2897 | NYSE | AMRC | Fri, Jan 21, 2022 | 50.23 | 52.80 | 48.66 | 48.68 | 2896 | NYSE | AMRC | Thu, Jan 20, 2022 | 54.90 | 57.22 | 50.54 | 51.10 | 2895 | NYSE | AMRC | Wed, Jan 19, 2022 | 52.82 | 53.63 | 50.77 | 51.83 | 2894 | NYSE | AMRC | Tue, Jan 18, 2022 | 54.87 | 55.83 | 52.58 | 52.69 | 2893 | NYSE | AMRC | Fri, Jan 14, 2022 | 59.70 | 61.05 | 56.09 | 57.13 | 2892 | NYSE | AMRC | Thu, Jan 13, 2022 | 65.18 | 65.35 | 60.73 | 61.00 | 2891 | NYSE | AMRC | Wed, Jan 12, 2022 | 66.64 | 67.88 | 64.86 | 65.18 | 2890 | NYSE | AMRC | Tue, Jan 11, 2022 | 65.79 | 66.46 | 64.10 | 66.02 | 2889 | NYSE | AMRC | Mon, Jan 10, 2022 | 66.31 | 67.10 | 64.01 | 65.99 | 2888 | NYSE | AMRC | Fri, Jan 7, 2022 | 69.90 | 71.04 | 67.33 | 67.99 | 2887 | NYSE | AMRC | Thu, Jan 6, 2022 | 70.44 | 72.96 | 67.44 | 70.96 | 2886 | NYSE | AMRC | Wed, Jan 5, 2022 | 78.28 | 78.67 | 70.47 | 70.55 | 2885 | NYSE | AMRC | Tue, Jan 4, 2022 | 82.16 | 84.48 | 78.35 | 79.60 | 2884 | NYSE | AMRC | Mon, Jan 3, 2022 | 82.40 | 83.70 | 81.24 | 82.11 | 2883 | NYSE | AMRC | Fri, Dec 31, 2021 | 79.96 | 82.08 | 79.31 | 81.44 | 2882 | NYSE | AMRC | Thu, Dec 30, 2021 | 78.86 | 82.24 | 78.25 | 80.19 | 2881 | NYSE | AMRC | Wed, Dec 29, 2021 | 78.38 | 79.73 | 77.08 | 78.90 | 2880 | NYSE | AMRC | Tue, Dec 28, 2021 | 80.62 | 80.82 | 77.68 | 78.20 | 2879 | NYSE | AMRC | Mon, Dec 27, 2021 | 77.95 | 80.60 | 77.25 | 80.57 | 2878 | NYSE | AMRC | Thu, Dec 23, 2021 | 78.56 | 79.02 | 76.49 | 77.91 | 2877 | NYSE | AMRC | Wed, Dec 22, 2021 | 79.38 | 81.21 | 76.51 | 78.36 | 2876 | NYSE | AMRC | Tue, Dec 21, 2021 | 76.07 | 79.81 | 75.45 | 79.48 | 2875 | NYSE | AMRC | Mon, Dec 20, 2021 | 75.00 | 75.95 | 73.55 | 75.31 | 2874 | NYSE | AMRC | Fri, Dec 17, 2021 | 75.95 | 77.89 | 73.94 | 77.35 | 2873 | NYSE | AMRC | Thu, Dec 16, 2021 | 79.82 | 81.16 | 74.66 | 75.83 | 2872 | NYSE | AMRC | Wed, Dec 15, 2021 | 77.66 | 78.79 | 73.17 | 78.53 | 2871 | NYSE | AMRC | Tue, Dec 14, 2021 | 80.48 | 80.88 | 75.39 | 77.30 | 2870 | NYSE | AMRC | Mon, Dec 13, 2021 | 81.54 | 82.57 | 80.04 | 81.60 | 2869 | NYSE | AMRC | Fri, Dec 10, 2021 | 82.48 | 83.87 | 80.27 | 81.46 | 2868 | NYSE | AMRC | Thu, Dec 9, 2021 | 83.99 | 85.13 | 81.43 | 81.53 | 2867 | NYSE | AMRC | Wed, Dec 8, 2021 | 84.92 | 85.79 | 83.81 | 84.79 | 2866 | NYSE | AMRC | Tue, Dec 7, 2021 | 85.87 | 87.32 | 83.86 | 84.48 | 2865 | NYSE | AMRC | Mon, Dec 6, 2021 | 81.54 | 83.11 | 78.76 | 82.10 | 2864 | NYSE | AMRC | Fri, Dec 3, 2021 | 86.92 | 86.98 | 78.28 | 81.34 | 2863 | NYSE | AMRC | Thu, Dec 2, 2021 | 88.09 | 90.11 | 85.75 | 87.74 | 2862 | NYSE | AMRC | Wed, Dec 1, 2021 | 92.00 | 93.34 | 87.73 | 87.84 | 2861 | NYSE | AMRC | Tue, Nov 30, 2021 | 90.44 | 93.08 | 88.31 | 90.33 | 2860 | NYSE | AMRC | Mon, Nov 29, 2021 | 92.19 | 92.50 | 89.70 | 91.56 | 2859 | NYSE | AMRC | Fri, Nov 26, 2021 | 89.74 | 90.99 | 87.93 | 89.70 | 2858 | NYSE | AMRC | Wed, Nov 24, 2021 | 91.25 | 93.75 | 90.52 | 92.42 | 2857 | NYSE | AMRC | Tue, Nov 23, 2021 | 93.00 | 94.85 | 90.26 | 92.09 | 2856 | NYSE | AMRC | Mon, Nov 22, 2021 | 95.18 | 98.42 | 93.48 | 93.51 | 2855 | NYSE | AMRC | Fri, Nov 19, 2021 | 91.33 | 95.22 | 90.24 | 94.03 | 2854 | NYSE | AMRC | Thu, Nov 18, 2021 | 94.45 | 94.45 | 91.57 | 92.15 | 2853 | NYSE | AMRC | Wed, Nov 17, 2021 | 94.76 | 94.76 | 92.19 | 93.24 | 2852 | NYSE | AMRC | Tue, Nov 16, 2021 | 93.00 | 95.26 | 92.00 | 95.04 | 2851 | NYSE | AMRC | Mon, Nov 15, 2021 | 97.50 | 97.66 | 91.95 | 93.30 | 2850 | NYSE | AMRC | Fri, Nov 12, 2021 | 96.46 | 97.49 | 94.17 | 97.35 | 2849 | NYSE | AMRC | Thu, Nov 11, 2021 | 93.04 | 97.07 | 92.30 | 96.15 | 2848 | NYSE | AMRC | Wed, Nov 10, 2021 | 91.06 | 93.01 | 89.56 | 92.54 | 2847 | NYSE | AMRC | Tue, Nov 9, 2021 | 95.12 | 96.15 | 91.37 | 92.19 | 2846 | NYSE | AMRC | Mon, Nov 8, 2021 | 99.39 | 101.86 | 95.03 | 95.27 | 2845 | NYSE | AMRC | Fri, Nov 5, 2021 | 96.00 | 98.00 | 94.16 | 97.50 | 2844 | NYSE | AMRC | Thu, Nov 4, 2021 | 93.86 | 95.36 | 91.40 | 95.31 | 2843 | NYSE | AMRC | Wed, Nov 3, 2021 | 92.10 | 96.93 | 89.07 | 96.58 | 2842 | NYSE | AMRC | Tue, Nov 2, 2021 | 87.16 | 94.47 | 84.89 | 93.57 | 2841 | NYSE | AMRC | Mon, Nov 1, 2021 | 82.16 | 86.19 | 81.96 | 85.85 | 2840 | NYSE | AMRC | Fri, Oct 29, 2021 | 79.53 | 82.82 | 79.50 | 82.13 | 2839 | NYSE | AMRC | Thu, Oct 28, 2021 | 77.17 | 80.65 | 77.17 | 80.04 | 2838 | NYSE | AMRC | Wed, Oct 27, 2021 | 75.50 | 77.29 | 73.88 | 76.80 | 2837 | NYSE | AMRC | Tue, Oct 26, 2021 | 75.92 | 77.15 | 74.28 | 75.44 | 2836 | NYSE | AMRC | Mon, Oct 25, 2021 | 72.25 | 75.68 | 70.69 | 75.52 | 2835 | NYSE | AMRC | Fri, Oct 22, 2021 | 68.50 | 72.73 | 68.37 | 72.29 | 2834 | NYSE | AMRC | Thu, Oct 21, 2021 | 66.74 | 68.77 | 66.06 | 68.05 | 2833 | NYSE | AMRC | Wed, Oct 20, 2021 | 67.13 | 67.42 | 65.74 | 66.78 | 2832 | NYSE | AMRC | Tue, Oct 19, 2021 | 65.01 | 66.93 | 64.50 | 66.71 | 2831 | NYSE | AMRC | Mon, Oct 18, 2021 | 62.19 | 64.57 | 62.06 | 64.53 | 2830 | NYSE | AMRC | Fri, Oct 15, 2021 | 63.96 | 64.19 | 62.74 | 62.90 | 2829 | NYSE | AMRC | Thu, Oct 14, 2021 | 62.51 | 63.21 | 61.81 | 62.71 | 2828 | NYSE | AMRC | Wed, Oct 13, 2021 | 59.72 | 61.67 | 59.47 | 61.63 | 2827 | NYSE | AMRC | Tue, Oct 12, 2021 | 57.99 | 59.57 | 57.96 | 59.05 | 2826 | NYSE | AMRC | Mon, Oct 11, 2021 | 58.10 | 59.23 | 57.30 | 57.42 | 2825 | NYSE | AMRC | Fri, Oct 8, 2021 | 59.65 | 60.25 | 58.06 | 58.42 | 2824 | NYSE | AMRC | Thu, Oct 7, 2021 | 59.35 | 60.91 | 59.26 | 59.68 | 2823 | NYSE | AMRC | Wed, Oct 6, 2021 | 58.04 | 58.71 | 56.98 | 58.12 | 2822 | NYSE | AMRC | Tue, Oct 5, 2021 | 58.33 | 59.27 | 57.75 | 58.93 | 2821 | NYSE | AMRC | Mon, Oct 4, 2021 | 60.92 | 60.92 | 57.70 | 57.95 | 2820 | NYSE | AMRC | Fri, Oct 1, 2021 | 58.88 | 61.81 | 58.33 | 61.44 | 2819 | NYSE | AMRC | Thu, Sep 30, 2021 | 59.30 | 60.32 | 58.25 | 58.43 | 2818 | NYSE | AMRC | Wed, Sep 29, 2021 | 61.86 | 62.35 | 58.03 | 58.53 | 2817 | NYSE | AMRC | Tue, Sep 28, 2021 | 63.01 | 63.01 | 61.34 | 61.76 | 2816 | NYSE | AMRC | Mon, Sep 27, 2021 | 62.16 | 64.43 | 61.22 | 63.96 | 2815 | NYSE | AMRC | Fri, Sep 24, 2021 | 62.53 | 63.42 | 61.51 | 62.49 | 2814 | NYSE | AMRC | Thu, Sep 23, 2021 | 63.41 | 64.28 | 62.27 | 63.00 | 2813 | NYSE | AMRC | Wed, Sep 22, 2021 | 63.31 | 64.02 | 62.74 | 62.94 | 2812 | NYSE | AMRC | Tue, Sep 21, 2021 | 63.86 | 63.86 | 62.26 | 62.44 | 2811 | NYSE | AMRC | Mon, Sep 20, 2021 | 64.95 | 65.42 | 62.24 | 63.07 | 2810 | NYSE | AMRC | Fri, Sep 17, 2021 | 66.17 | 67.67 | 65.31 | 66.49 | 2809 | NYSE | AMRC | Thu, Sep 16, 2021 | 69.68 | 70.60 | 65.59 | 65.60 | 2808 | NYSE | AMRC | Wed, Sep 15, 2021 | 70.00 | 70.58 | 69.08 | 70.01 | 2807 | NYSE | AMRC | Tue, Sep 14, 2021 | 69.01 | 70.80 | 68.97 | 70.30 | 2806 | NYSE | AMRC | Mon, Sep 13, 2021 | 70.38 | 70.38 | 67.70 | 68.23 | 2805 | NYSE | AMRC | Fri, Sep 10, 2021 | 71.44 | 71.68 | 69.53 | 69.61 | 2804 | NYSE | AMRC | Thu, Sep 9, 2021 | 70.45 | 72.74 | 70.16 | 70.19 | 2803 | NYSE | AMRC | Wed, Sep 8, 2021 | 71.70 | 72.84 | 69.72 | 70.89 | 2802 | NYSE | AMRC | Tue, Sep 7, 2021 | 72.36 | 75.88 | 71.26 | 72.13 | 2801 | NYSE | AMRC | Fri, Sep 3, 2021 | 71.30 | 72.28 | 69.38 | 72.08 | 2800 | NYSE | AMRC | Thu, Sep 2, 2021 | 70.40 | 72.22 | 69.97 | 71.74 | 2799 | NYSE | AMRC | Wed, Sep 1, 2021 | 68.51 | 69.62 | 67.91 | 69.61 | 2798 | NYSE | AMRC | Tue, Aug 31, 2021 | 68.77 | 69.41 | 68.36 | 69.15 | 2797 | NYSE | AMRC | Mon, Aug 30, 2021 | 69.25 | 69.25 | 68.26 | 68.71 | 2796 | NYSE | AMRC | Fri, Aug 27, 2021 | 67.79 | 69.62 | 67.57 | 69.14 | 2795 | NYSE | AMRC | Thu, Aug 26, 2021 | 68.58 | 69.33 | 67.75 | 68.24 | 2794 | NYSE | AMRC | Wed, Aug 25, 2021 | 68.76 | 70.33 | 68.35 | 68.46 | 2793 | NYSE | AMRC | Tue, Aug 24, 2021 | 68.00 | 69.25 | 66.60 | 68.66 | 2792 | NYSE | AMRC | Mon, Aug 23, 2021 | 66.20 | 68.41 | 65.87 | 67.92 | 2791 | NYSE | AMRC | Fri, Aug 20, 2021 | 63.67 | 65.52 | 63.31 | 65.25 | 2790 | NYSE | AMRC | Thu, Aug 19, 2021 | 63.56 | 64.86 | 62.94 | 63.90 | 2789 | NYSE | AMRC | Wed, Aug 18, 2021 | 63.76 | 65.52 | 62.94 | 64.65 | 2788 | NYSE | AMRC | Tue, Aug 17, 2021 | 64.62 | 65.05 | 62.15 | 63.22 | 2787 | NYSE | AMRC | Mon, Aug 16, 2021 | 67.70 | 67.70 | 65.33 | 65.87 | 2786 | NYSE | AMRC | Fri, Aug 13, 2021 | 67.53 | 68.50 | 67.10 | 67.80 | 2785 | NYSE | AMRC | Thu, Aug 12, 2021 | 66.77 | 68.37 | 66.44 | 68.04 | 2784 | NYSE | AMRC | Wed, Aug 11, 2021 | 68.54 | 68.54 | 65.79 | 67.54 | 2783 | NYSE | AMRC | Tue, Aug 10, 2021 | 68.53 | 70.22 | 68.04 | 69.01 | 2782 | NYSE | AMRC | Mon, Aug 9, 2021 | 65.24 | 68.79 | 64.70 | 68.50 | 2781 | NYSE | AMRC | Fri, Aug 6, 2021 | 65.11 | 65.47 | 63.72 | 64.59 | 2780 | NYSE | AMRC | Thu, Aug 5, 2021 | 62.63 | 66.07 | 61.86 | 65.24 | 2779 | NYSE | AMRC | Wed, Aug 4, 2021 | 61.26 | 63.47 | 61.05 | 62.01 | 2778 | NYSE | AMRC | Tue, Aug 3, 2021 | 67.20 | 67.84 | 61.07 | 62.02 | 2777 | NYSE | AMRC | Mon, Aug 2, 2021 | 68.59 | 69.38 | 66.69 | 66.75 | 2776 | NYSE | AMRC | Fri, Jul 30, 2021 | 67.66 | 69.36 | 66.95 | 68.53 | 2775 | NYSE | AMRC | Thu, Jul 29, 2021 | 67.18 | 68.37 | 66.78 | 68.02 | 2774 | NYSE | AMRC | Wed, Jul 28, 2021 | 65.25 | 67.93 | 64.61 | 67.02 | 2773 | NYSE | AMRC | Tue, Jul 27, 2021 | 64.02 | 64.59 | 62.36 | 64.50 | 2772 | NYSE | AMRC | Mon, Jul 26, 2021 | 64.49 | 65.65 | 64.19 | 64.85 | 2771 | NYSE | AMRC | Fri, Jul 23, 2021 | 66.95 | 67.19 | 63.47 | 64.50 | 2770 | NYSE | AMRC | Thu, Jul 22, 2021 | 68.47 | 68.55 | 66.91 | 68.33 | 2769 | NYSE | AMRC | Wed, Jul 21, 2021 | 65.22 | 68.24 | 65.22 | 68.22 | 2768 | NYSE | AMRC | Tue, Jul 20, 2021 | 61.99 | 65.36 | 60.91 | 65.07 | 2767 | NYSE | AMRC | Mon, Jul 19, 2021 | 60.58 | 61.51 | 59.11 | 61.37 | 2766 | NYSE | AMRC | Fri, Jul 16, 2021 | 61.79 | 62.59 | 60.85 | 61.45 | 2765 | NYSE | AMRC | Thu, Jul 15, 2021 | 62.13 | 63.00 | 60.21 | 61.44 | 2764 | NYSE | AMRC | Wed, Jul 14, 2021 | 64.65 | 64.96 | 62.01 | 62.31 | 2763 | NYSE | AMRC | Tue, Jul 13, 2021 | 64.66 | 66.35 | 64.02 | 64.65 | 2762 | NYSE | AMRC | Mon, Jul 12, 2021 | 63.68 | 65.56 | 62.93 | 65.28 | 2761 | NYSE | AMRC | Fri, Jul 9, 2021 | 63.27 | 63.54 | 62.33 | 63.42 | 2760 | NYSE | AMRC | Thu, Jul 8, 2021 | 60.75 | 62.70 | 59.06 | 62.22 | 2759 | NYSE | AMRC | Wed, Jul 7, 2021 | 65.41 | 65.80 | 62.15 | 62.92 | 2758 | NYSE | AMRC | Tue, Jul 6, 2021 | 63.98 | 65.72 | 62.40 | 65.35 | 2757 | NYSE | AMRC | Fri, Jul 2, 2021 | 64.67 | 64.69 | 62.94 | 63.71 | 2756 | NYSE | AMRC | Thu, Jul 1, 2021 | 63.01 | 65.16 | 63.01 | 64.48 | 2755 | NYSE | AMRC | Wed, Jun 30, 2021 | 65.29 | 65.48 | 62.37 | 62.72 | 2754 | NYSE | AMRC | Tue, Jun 29, 2021 | 65.60 | 65.78 | 64.07 | 65.48 | 2753 | NYSE | AMRC | Mon, Jun 28, 2021 | 63.49 | 65.21 | 63.24 | 64.82 | 2752 | NYSE | AMRC | Fri, Jun 25, 2021 | 64.99 | 65.69 | 62.53 | 62.90 | 2751 | NYSE | AMRC | Thu, Jun 24, 2021 | 63.00 | 64.64 | 62.66 | 64.45 | 2750 | NYSE | AMRC | Wed, Jun 23, 2021 | 62.95 | 63.40 | 61.44 | 62.40 | 2749 | NYSE | AMRC | Tue, Jun 22, 2021 | 62.13 | 63.12 | 61.09 | 63.03 | 2748 | NYSE | AMRC | Mon, Jun 21, 2021 | 61.14 | 62.88 | 59.59 | 62.24 | 2747 | NYSE | AMRC | Fri, Jun 18, 2021 | 62.56 | 63.32 | 60.27 | 60.56 | 2746 | NYSE | AMRC | Thu, Jun 17, 2021 | 61.69 | 64.23 | 61.02 | 63.76 | 2745 | NYSE | AMRC | Wed, Jun 16, 2021 | 61.18 | 62.45 | 60.77 | 61.72 | 2744 | NYSE | AMRC | Tue, Jun 15, 2021 | 61.00 | 62.38 | 60.96 | 61.88 | 2743 | NYSE | AMRC | Mon, Jun 14, 2021 | 60.00 | 61.40 | 59.85 | 61.01 | 2742 | NYSE | AMRC | Fri, Jun 11, 2021 | 58.35 | 59.63 | 57.72 | 59.63 | 2741 | NYSE | AMRC | Thu, Jun 10, 2021 | 59.01 | 59.01 | 57.39 | 57.74 | 2740 | NYSE | AMRC | Wed, Jun 9, 2021 | 58.30 | 59.35 | 58.00 | 58.57 | 2739 | NYSE | AMRC | Tue, Jun 8, 2021 | 57.72 | 58.73 | 55.93 | 57.97 | 2738 | NYSE | AMRC | Mon, Jun 7, 2021 | 55.70 | 57.53 | 55.19 | 57.44 | 2737 | NYSE | AMRC | Fri, Jun 4, 2021 | 55.34 | 56.45 | 55.10 | 55.91 | 2736 | NYSE | AMRC | Thu, Jun 3, 2021 | 54.30 | 55.80 | 53.36 | 55.20 | 2735 | NYSE | AMRC | Wed, Jun 2, 2021 | 55.19 | 55.55 | 54.43 | 55.25 | 2734 | NYSE | AMRC | Tue, Jun 1, 2021 | 54.69 | 55.42 | 53.36 | 55.06 | 2733 | NYSE | AMRC | Fri, May 28, 2021 | 53.76 | 54.70 | 53.54 | 53.76 | 2732 | NYSE | AMRC | Thu, May 27, 2021 | 54.08 | 54.43 | 52.63 | 54.13 | 2731 | NYSE | AMRC | Wed, May 26, 2021 | 51.87 | 53.80 | 51.25 | 53.56 | 2730 | NYSE | AMRC | Tue, May 25, 2021 | 51.87 | 52.65 | 51.41 | 51.63 | 2729 | NYSE | AMRC | Mon, May 24, 2021 | 52.63 | 53.01 | 50.64 | 51.60 | 2728 | NYSE | AMRC | Fri, May 21, 2021 | 51.66 | 52.47 | 50.74 | 52.19 | 2727 | NYSE | AMRC | Thu, May 20, 2021 | 51.42 | 52.39 | 50.42 | 51.12 | 2726 | NYSE | AMRC | Wed, May 19, 2021 | 48.50 | 51.00 | 48.14 | 50.79 | 2725 | NYSE | AMRC | Tue, May 18, 2021 | 49.64 | 51.31 | 48.94 | 50.16 | 2724 | NYSE | AMRC | Mon, May 17, 2021 | 48.93 | 49.58 | 48.03 | 49.33 | 2723 | NYSE | AMRC | Fri, May 14, 2021 | 48.36 | 49.83 | 47.67 | 49.71 | 2722 | NYSE | AMRC | Thu, May 13, 2021 | 48.10 | 49.00 | 46.71 | 47.45 | 2721 | NYSE | AMRC | Wed, May 12, 2021 | 48.46 | 49.21 | 47.33 | 47.57 | 2720 | NYSE | AMRC | Tue, May 11, 2021 | 47.04 | 49.63 | 46.66 | 49.58 | 2719 | NYSE | AMRC | Mon, May 10, 2021 | 51.98 | 52.44 | 49.25 | 49.32 | 2718 | NYSE | AMRC | Fri, May 7, 2021 | 50.47 | 53.31 | 49.55 | 53.00 | 2717 | NYSE | AMRC | Thu, May 6, 2021 | 48.93 | 49.52 | 46.76 | 49.46 | 2716 | NYSE | AMRC | Wed, May 5, 2021 | 49.29 | 49.72 | 46.50 | 48.92 | 2715 | NYSE | AMRC | Tue, May 4, 2021 | 50.43 | 50.71 | 47.52 | 48.10 | 2714 | NYSE | AMRC | Mon, May 3, 2021 | 53.43 | 53.43 | 51.27 | 51.36 | 2713 | NYSE | AMRC | Fri, Apr 30, 2021 | 52.01 | 52.85 | 51.54 | 52.79 | 2712 | NYSE | AMRC | Thu, Apr 29, 2021 | 53.00 | 53.24 | 51.34 | 52.90 | 2711 | NYSE | AMRC | Wed, Apr 28, 2021 | 51.56 | 52.73 | 50.28 | 52.38 | 2710 | NYSE | AMRC | Tue, Apr 27, 2021 | 51.73 | 52.69 | 51.08 | 52.37 | 2709 | NYSE | AMRC | Mon, Apr 26, 2021 | 51.26 | 51.72 | 49.71 | 51.54 | 2708 | NYSE | AMRC | Fri, Apr 23, 2021 | 48.62 | 50.79 | 48.40 | 50.30 | 2707 | NYSE | AMRC | Thu, Apr 22, 2021 | 48.71 | 49.97 | 48.03 | 48.49 | 2706 | NYSE | AMRC | Wed, Apr 21, 2021 | 45.74 | 48.03 | 45.37 | 47.90 | 2705 | NYSE | AMRC | Tue, Apr 20, 2021 | 46.75 | 47.49 | 44.97 | 46.19 | 2704 | NYSE | AMRC | Mon, Apr 19, 2021 | 50.31 | 50.51 | 46.64 | 47.04 | 2703 | NYSE | AMRC | Fri, Apr 16, 2021 | 49.90 | 51.31 | 49.40 | 50.72 | 2702 | NYSE | AMRC | Thu, Apr 15, 2021 | 52.00 | 52.00 | 48.67 | 49.41 | 2701 | NYSE | AMRC | Wed, Apr 14, 2021 | 51.63 | 52.50 | 51.09 | 51.60 | 2700 | NYSE | AMRC | Tue, Apr 13, 2021 | 49.02 | 51.51 | 48.29 | 51.30 | 2699 | NYSE | AMRC | Mon, Apr 12, 2021 | 49.44 | 49.44 | 47.20 | 49.10 | 2698 | NYSE | AMRC | Fri, Apr 9, 2021 | 48.34 | 50.11 | 48.00 | 49.60 | 2697 | NYSE | AMRC | Thu, Apr 8, 2021 | 48.25 | 48.97 | 47.98 | 48.89 | 2696 | NYSE | AMRC | Wed, Apr 7, 2021 | 50.59 | 50.83 | 46.85 | 47.15 | 2695 | NYSE | AMRC | Tue, Apr 6, 2021 | 49.90 | 51.40 | 49.36 | 49.79 | 2694 | NYSE | AMRC | Mon, Apr 5, 2021 | 50.85 | 50.97 | 48.65 | 49.44 | 2693 | NYSE | AMRC | Thu, Apr 1, 2021 | 49.01 | 50.05 | 48.52 | 49.81 | 2692 | NYSE | AMRC | Wed, Mar 31, 2021 | 45.85 | 48.85 | 45.70 | 48.63 | 2691 | NYSE | AMRC | Tue, Mar 30, 2021 | 41.71 | 44.82 | 41.27 | 44.66 | 2690 | NYSE | AMRC | Mon, Mar 29, 2021 | 43.01 | 43.75 | 41.57 | 41.69 | 2689 | NYSE | AMRC | Fri, Mar 26, 2021 | 41.89 | 43.43 | 41.00 | 43.33 | 2688 | NYSE | AMRC | Thu, Mar 25, 2021 | 40.75 | 42.82 | 40.26 | 41.43 | 2687 | NYSE | AMRC | Wed, Mar 24, 2021 | 43.42 | 43.69 | 40.27 | 40.65 | 2686 | NYSE | AMRC | Tue, Mar 23, 2021 | 44.31 | 45.39 | 42.00 | 42.73 | 2685 | NYSE | AMRC | Mon, Mar 22, 2021 | 44.88 | 45.70 | 43.63 | 45.01 | 2684 | NYSE | AMRC | Fri, Mar 19, 2021 | 43.71 | 44.40 | 42.51 | 44.02 | 2683 | NYSE | AMRC | Thu, Mar 18, 2021 | 49.04 | 49.04 | 43.98 | 44.15 | 2682 | NYSE | AMRC | Wed, Mar 17, 2021 | 47.99 | 49.38 | 46.74 | 49.11 | 2681 | NYSE | AMRC | Tue, Mar 16, 2021 | 49.75 | 50.77 | 48.54 | 49.52 | 2680 | NYSE | AMRC | Mon, Mar 15, 2021 | 47.79 | 49.66 | 47.23 | 49.58 | 2679 | NYSE | AMRC | Fri, Mar 12, 2021 | 45.50 | 48.50 | 45.27 | 47.56 | 2678 | NYSE | AMRC | Thu, Mar 11, 2021 | 45.07 | 46.95 | 44.00 | 46.60 | 2677 | NYSE | AMRC | Wed, Mar 10, 2021 | 43.98 | 44.77 | 42.87 | 43.29 | 2676 | NYSE | AMRC | Tue, Mar 9, 2021 | 42.00 | 43.49 | 40.82 | 42.94 | 2675 | NYSE | AMRC | Mon, Mar 8, 2021 | 43.21 | 43.32 | 39.56 | 39.71 | 2674 | NYSE | AMRC | Fri, Mar 5, 2021 | 45.00 | 46.19 | 37.70 | 43.00 | 2673 | NYSE | AMRC | Thu, Mar 4, 2021 | 52.14 | 54.12 | 47.16 | 48.15 | 2672 | NYSE | AMRC | Wed, Mar 3, 2021 | 57.78 | 58.89 | 52.66 | 53.02 | 2671 | NYSE | AMRC | Tue, Mar 2, 2021 | 63.64 | 66.00 | 55.91 | 56.72 | 2670 | NYSE | AMRC | Mon, Mar 1, 2021 | 58.83 | 61.98 | 58.83 | 60.60 | 2669 | NYSE | AMRC | Fri, Feb 26, 2021 | 56.00 | 58.16 | 54.67 | 57.12 | 2668 | NYSE | AMRC | Thu, Feb 25, 2021 | 59.60 | 59.71 | 55.60 | 56.16 | 2667 | NYSE | AMRC | Wed, Feb 24, 2021 | 61.09 | 61.82 | 58.92 | 60.20 | 2666 | NYSE | AMRC | Tue, Feb 23, 2021 | 59.23 | 60.38 | 55.38 | 60.23 | 2665 | NYSE | AMRC | Mon, Feb 22, 2021 | 63.97 | 63.97 | 61.78 | 62.12 | 2664 | NYSE | AMRC | Fri, Feb 19, 2021 | 63.01 | 65.46 | 62.56 | 64.28 | 2663 | NYSE | AMRC | Thu, Feb 18, 2021 | 63.56 | 63.56 | 60.61 | 62.71 | 2662 | NYSE | AMRC | Wed, Feb 17, 2021 | 65.73 | 65.78 | 62.01 | 64.62 | 2661 | NYSE | AMRC | Tue, Feb 16, 2021 | 67.98 | 68.71 | 66.13 | 66.36 | 2660 | NYSE | AMRC | Fri, Feb 12, 2021 | 66.32 | 67.49 | 65.36 | 67.35 | 2659 | NYSE | AMRC | Thu, Feb 11, 2021 | 67.87 | 67.87 | 65.11 | 66.53 | 2658 | NYSE | AMRC | Wed, Feb 10, 2021 | 69.93 | 70.26 | 64.60 | 67.18 | 2657 | NYSE | AMRC | Tue, Feb 9, 2021 | 67.96 | 69.73 | 66.89 | 69.41 | 2656 | NYSE | AMRC | Mon, Feb 8, 2021 | 66.47 | 69.62 | 66.07 | 67.97 | 2655 | NYSE | AMRC | Fri, Feb 5, 2021 | 63.99 | 65.46 | 63.06 | 65.27 | 2654 | NYSE | AMRC | Thu, Feb 4, 2021 | 62.60 | 63.59 | 62.11 | 62.83 | 2653 | NYSE | AMRC | Wed, Feb 3, 2021 | 63.94 | 64.60 | 61.72 | 63.10 | 2652 | NYSE | AMRC | Tue, Feb 2, 2021 | 60.70 | 64.60 | 60.20 | 63.25 | 2651 | NYSE | AMRC | Mon, Feb 1, 2021 | 57.16 | 59.43 | 56.21 | 59.26 | 2650 | NYSE | AMRC | Fri, Jan 29, 2021 | 56.20 | 58.41 | 55.41 | 56.09 | 2649 | NYSE | AMRC | Thu, Jan 28, 2021 | 54.98 | 56.80 | 54.40 | 56.13 | 2648 | NYSE | AMRC | Wed, Jan 27, 2021 | 58.35 | 58.68 | 53.34 | 53.41 | 2647 | NYSE | AMRC | Tue, Jan 26, 2021 | 58.41 | 62.00 | 57.85 | 60.75 | 2646 | NYSE | AMRC | Mon, Jan 25, 2021 | 59.74 | 60.35 | 55.79 | 57.58 | 2645 | NYSE | AMRC | Fri, Jan 22, 2021 | 58.67 | 59.13 | 57.35 | 59.12 | 2644 | NYSE | AMRC | Thu, Jan 21, 2021 | 58.78 | 59.65 | 57.24 | 59.21 | 2643 | NYSE | AMRC | Wed, Jan 20, 2021 | 58.31 | 59.20 | 56.60 | 58.44 | 2642 | NYSE | AMRC | Tue, Jan 19, 2021 | 54.98 | 58.05 | 53.71 | 57.53 | 2641 | NYSE | AMRC | Fri, Jan 15, 2021 | 57.20 | 57.39 | 52.84 | 54.03 | 2640 | NYSE | AMRC | Thu, Jan 14, 2021 | 59.08 | 59.57 | 57.22 | 57.98 | 2639 | NYSE | AMRC | Wed, Jan 13, 2021 | 60.02 | 60.51 | 58.41 | 59.04 | 2638 | NYSE | AMRC | Tue, Jan 12, 2021 | 59.21 | 60.00 | 57.78 | 59.94 | 2637 | NYSE | AMRC | Mon, Jan 11, 2021 | 59.57 | 59.76 | 56.02 | 58.78 | 2636 | NYSE | AMRC | Fri, Jan 8, 2021 | 60.50 | 63.45 | 59.44 | 61.28 | 2635 | NYSE | AMRC | Thu, Jan 7, 2021 | 57.03 | 60.24 | 56.55 | 59.90 | 2634 | NYSE | AMRC | Wed, Jan 6, 2021 | 54.05 | 57.15 | 53.20 | 55.89 | 2633 | NYSE | AMRC | Tue, Jan 5, 2021 | 51.00 | 53.17 | 50.50 | 52.41 | 2632 | NYSE | AMRC | Mon, Jan 4, 2021 | 53.06 | 54.57 | 49.68 | 50.91 | 2631 | NYSE | AMRC | Thu, Dec 31, 2020 | 52.40 | 52.97 | 51.76 | 52.24 | 2630 | NYSE | AMRC | Wed, Dec 30, 2020 | 50.84 | 52.35 | 50.52 | 51.80 | 2629 | NYSE | AMRC | Tue, Dec 29, 2020 | 51.30 | 52.00 | 48.79 | 50.84 | 2628 | NYSE | AMRC | Mon, Dec 28, 2020 | 50.26 | 52.30 | 50.09 | 51.57 | 2627 | NYSE | AMRC | Thu, Dec 24, 2020 | 51.49 | 51.77 | 48.75 | 49.39 | 2626 | NYSE | AMRC | Wed, Dec 23, 2020 | 53.78 | 54.79 | 51.71 | 51.76 | 2625 | NYSE | AMRC | Tue, Dec 22, 2020 | 51.42 | 54.05 | 51.20 | 53.22 | 2624 | NYSE | AMRC | Mon, Dec 21, 2020 | 48.23 | 51.10 | 48.03 | 51.10 | 2623 | NYSE | AMRC | Fri, Dec 18, 2020 | 49.20 | 51.11 | 48.80 | 49.93 | 2622 | NYSE | AMRC | Thu, Dec 17, 2020 | 47.00 | 49.10 | 46.72 | 49.05 | 2621 | NYSE | AMRC | Wed, Dec 16, 2020 | 48.23 | 48.36 | 45.60 | 46.70 | 2620 | NYSE | AMRC | Tue, Dec 15, 2020 | 44.99 | 47.97 | 44.78 | 47.59 | 2619 | NYSE | AMRC | Mon, Dec 14, 2020 | 44.18 | 44.95 | 43.15 | 44.54 | 2618 | NYSE | AMRC | Fri, Dec 11, 2020 | 42.64 | 44.73 | 42.64 | 43.65 | 2617 | NYSE | AMRC | Thu, Dec 10, 2020 | 42.04 | 42.79 | 40.61 | 42.41 | 2616 | NYSE | AMRC | Wed, Dec 9, 2020 | 44.94 | 45.22 | 41.79 | 42.19 | 2615 | NYSE | AMRC | Tue, Dec 8, 2020 | 43.59 | 45.00 | 43.31 | 44.89 | 2614 | NYSE | AMRC | Mon, Dec 7, 2020 | 43.45 | 43.93 | 42.76 | 43.59 | 2613 | NYSE | AMRC | Fri, Dec 4, 2020 | 44.39 | 44.50 | 43.40 | 43.51 | 2612 | NYSE | AMRC | Thu, Dec 3, 2020 | 44.40 | 44.65 | 43.50 | 44.11 | 2611 | NYSE | AMRC | Wed, Dec 2, 2020 | 44.70 | 44.97 | 43.21 | 44.47 | 2610 | NYSE | AMRC | Tue, Dec 1, 2020 | 44.67 | 45.35 | 44.38 | 44.87 | 2609 | NYSE | AMRC | Mon, Nov 30, 2020 | 44.35 | 44.81 | 42.81 | 44.55 | 2608 | NYSE | AMRC | Fri, Nov 27, 2020 | 44.50 | 44.55 | 43.38 | 44.23 | 2607 | NYSE | AMRC | Wed, Nov 25, 2020 | 44.64 | 45.01 | 42.79 | 44.37 | 2606 | NYSE | AMRC | Tue, Nov 24, 2020 | 46.77 | 47.00 | 44.54 | 45.05 | 2605 | NYSE | AMRC | Mon, Nov 23, 2020 | 44.00 | 46.48 | 43.86 | 44.95 | 2604 | NYSE | AMRC | Fri, Nov 20, 2020 | 43.63 | 43.75 | 42.68 | 43.38 | 2603 | NYSE | AMRC | Thu, Nov 19, 2020 | 42.97 | 43.75 | 42.16 | 43.59 | 2602 | NYSE | AMRC | Wed, Nov 18, 2020 | 43.38 | 43.97 | 42.90 | 43.20 | 2601 | NYSE | AMRC | Tue, Nov 17, 2020 | 43.03 | 43.44 | 42.32 | 43.19 | 2600 | NYSE | AMRC | Mon, Nov 16, 2020 | 43.90 | 44.00 | 42.70 | 43.34 | 2599 | NYSE | AMRC | Fri, Nov 13, 2020 | 43.78 | 44.37 | 42.66 | 43.13 | 2598 | NYSE | AMRC | Thu, Nov 12, 2020 | 43.81 | 44.89 | 43.22 | 43.63 | 2597 | NYSE | AMRC | Wed, Nov 11, 2020 | 43.94 | 44.59 | 43.02 | 44.27 | 2596 | NYSE | AMRC | Tue, Nov 10, 2020 | 43.18 | 44.27 | 41.94 | 43.50 | 2595 | NYSE | AMRC | Mon, Nov 9, 2020 | 45.00 | 45.53 | 43.03 | 43.18 | 2594 | NYSE | AMRC | Fri, Nov 6, 2020 | 41.56 | 43.07 | 40.73 | 43.00 | 2593 | NYSE | AMRC | Thu, Nov 5, 2020 | 39.98 | 42.83 | 39.88 | 41.98 | 2592 | NYSE | AMRC | Wed, Nov 4, 2020 | 43.72 | 43.72 | 37.73 | 38.64 | 2591 | NYSE | AMRC | Tue, Nov 3, 2020 | 41.40 | 43.90 | 39.80 | 43.51 | 2590 | NYSE | AMRC | Mon, Nov 2, 2020 | 38.61 | 39.55 | 38.15 | 38.63 | 2589 | NYSE | AMRC | Fri, Oct 30, 2020 | 38.52 | 39.15 | 37.27 | 38.39 | 2588 | NYSE | AMRC | Thu, Oct 29, 2020 | 37.86 | 39.68 | 37.29 | 38.92 | 2587 | NYSE | AMRC | Wed, Oct 28, 2020 | 38.60 | 38.76 | 37.11 | 37.86 | 2586 | NYSE | AMRC | Tue, Oct 27, 2020 | 40.18 | 40.68 | 39.30 | 39.70 | 2585 | NYSE | AMRC | Mon, Oct 26, 2020 | 42.12 | 42.64 | 39.22 | 39.51 | 2584 | NYSE | AMRC | Fri, Oct 23, 2020 | 41.66 | 42.75 | 41.46 | 42.74 | 2583 | NYSE | AMRC | Thu, Oct 22, 2020 | 42.42 | 42.50 | 41.22 | 41.58 | 2582 | NYSE | AMRC | Wed, Oct 21, 2020 | 44.80 | 46.81 | 41.90 | 42.07 | 2581 | NYSE | AMRC | Tue, Oct 20, 2020 | 41.25 | 42.87 | 41.15 | 42.57 | 2580 | NYSE | AMRC | Mon, Oct 19, 2020 | 41.16 | 41.75 | 40.01 | 41.14 | 2579 | NYSE | AMRC | Fri, Oct 16, 2020 | 39.98 | 40.91 | 39.68 | 40.75 | 2578 | NYSE | AMRC | Thu, Oct 15, 2020 | 39.32 | 40.85 | 37.71 | 40.09 | 2577 | NYSE | AMRC | Wed, Oct 14, 2020 | 38.30 | 39.13 | 38.28 | 38.67 | 2576 | NYSE | AMRC | Tue, Oct 13, 2020 | 37.77 | 38.35 | 37.21 | 38.30 | 2575 | NYSE | AMRC | Mon, Oct 12, 2020 | 37.78 | 38.31 | 37.41 | 38.02 | 2574 | NYSE | AMRC | Fri, Oct 9, 2020 | 37.06 | 37.93 | 36.84 | 37.78 | 2573 | NYSE | AMRC | Thu, Oct 8, 2020 | 37.75 | 38.00 | 36.39 | 36.83 | 2572 | NYSE | AMRC | Wed, Oct 7, 2020 | 37.00 | 39.08 | 36.64 | 37.24 | 2571 | NYSE | AMRC | Tue, Oct 6, 2020 | 35.60 | 36.95 | 34.62 | 36.13 | 2570 | NYSE | AMRC | Mon, Oct 5, 2020 | 33.74 | 35.89 | 33.59 | 35.53 | 2569 | NYSE | AMRC | Fri, Oct 2, 2020 | 32.54 | 34.17 | 32.42 | 33.64 | 2568 | NYSE | AMRC | Thu, Oct 1, 2020 | 33.70 | 33.93 | 33.00 | 33.49 | 2567 | NYSE | AMRC | Wed, Sep 30, 2020 | 33.53 | 34.10 | 32.75 | 33.40 | 2566 | NYSE | AMRC | Tue, Sep 29, 2020 | 32.59 | 33.71 | 32.50 | 33.46 | 2565 | NYSE | AMRC | Mon, Sep 28, 2020 | 32.05 | 32.81 | 31.84 | 32.71 | 2564 | NYSE | AMRC | Fri, Sep 25, 2020 | 30.77 | 32.18 | 30.38 | 31.76 | 2563 | NYSE | AMRC | Thu, Sep 24, 2020 | 30.00 | 31.03 | 29.38 | 30.49 | 2562 | NYSE | AMRC | Wed, Sep 23, 2020 | 30.21 | 31.36 | 29.92 | 30.13 | 2561 | NYSE | AMRC | Tue, Sep 22, 2020 | 29.45 | 30.10 | 29.02 | 30.06 | 2560 | NYSE | AMRC | Mon, Sep 21, 2020 | 29.72 | 29.97 | 28.94 | 29.44 | 2559 | NYSE | AMRC | Fri, Sep 18, 2020 | 31.16 | 31.42 | 30.00 | 30.34 | 2558 | NYSE | AMRC | Thu, Sep 17, 2020 | 30.26 | 30.95 | 29.86 | 30.86 | 2557 | NYSE | AMRC | Wed, Sep 16, 2020 | 30.16 | 30.94 | 29.87 | 30.78 | 2556 | NYSE | AMRC | Tue, Sep 15, 2020 | 29.51 | 30.14 | 29.27 | 30.11 | 2555 | NYSE | AMRC | Mon, Sep 14, 2020 | 29.07 | 29.65 | 28.77 | 29.28 | 2554 | NYSE | AMRC | Fri, Sep 11, 2020 | 29.97 | 30.10 | 28.57 | 28.67 | 2553 | NYSE | AMRC | Thu, Sep 10, 2020 | 30.36 | 30.56 | 29.43 | 29.78 | 2552 | NYSE | AMRC | Wed, Sep 9, 2020 | 30.04 | 30.42 | 29.67 | 30.14 | 2551 | NYSE | AMRC | Tue, Sep 8, 2020 | 29.06 | 30.56 | 28.92 | 29.62 | 2550 | NYSE | AMRC | Fri, Sep 4, 2020 | 30.28 | 30.78 | 28.50 | 29.97 | 2549 | NYSE | AMRC | Thu, Sep 3, 2020 | 30.86 | 31.23 | 29.82 | 30.43 | 2548 | NYSE | AMRC | Wed, Sep 2, 2020 | 34.95 | 34.95 | 29.80 | 31.32 | 2547 | NYSE | AMRC | Tue, Sep 1, 2020 | 34.14 | 35.04 | 33.52 | 34.89 | 2546 | NYSE | AMRC | Mon, Aug 31, 2020 | 32.75 | 34.29 | 32.28 | 34.14 | 2545 | NYSE | AMRC | Fri, Aug 28, 2020 | 32.89 | 32.89 | 31.61 | 32.68 | 2544 | NYSE | AMRC | Thu, Aug 27, 2020 | 33.58 | 33.90 | 32.75 | 32.89 | 2543 | NYSE | AMRC | Wed, Aug 26, 2020 | 34.23 | 34.23 | 32.40 | 33.85 | 2542 | NYSE | AMRC | Tue, Aug 25, 2020 | 31.39 | 34.86 | 30.97 | 34.20 | 2541 | NYSE | AMRC | Mon, Aug 24, 2020 | 30.84 | 31.21 | 30.62 | 31.17 | 2540 | NYSE | AMRC | Fri, Aug 21, 2020 | 30.56 | 30.80 | 30.08 | 30.58 | 2539 | NYSE | AMRC | Thu, Aug 20, 2020 | 30.97 | 31.19 | 30.69 | 30.89 | 2538 | NYSE | AMRC | Wed, Aug 19, 2020 | 30.95 | 31.29 | 30.69 | 31.26 | 2537 | NYSE | AMRC | Tue, Aug 18, 2020 | 31.01 | 31.20 | 30.05 | 30.69 | 2536 | NYSE | AMRC | Mon, Aug 17, 2020 | 31.17 | 31.71 | 30.58 | 31.04 | 2535 | NYSE | AMRC | Fri, Aug 14, 2020 | 31.84 | 31.98 | 30.93 | 31.05 | 2534 | NYSE | AMRC | Thu, Aug 13, 2020 | 31.12 | 32.55 | 31.02 | 31.89 | 2533 | NYSE | AMRC | Wed, Aug 12, 2020 | 30.88 | 31.60 | 30.86 | 31.27 | 2532 | NYSE | AMRC | Tue, Aug 11, 2020 | 30.66 | 31.00 | 29.84 | 30.52 | 2531 | NYSE | AMRC | Mon, Aug 10, 2020 | 30.26 | 31.45 | 29.96 | 30.80 | 2530 | NYSE | AMRC | Fri, Aug 7, 2020 | 29.23 | 30.55 | 29.23 | 30.34 | 2529 | NYSE | AMRC | Thu, Aug 6, 2020 | 29.91 | 30.16 | 29.35 | 29.52 | 2528 | NYSE | AMRC | Wed, Aug 5, 2020 | 30.40 | 30.54 | 29.50 | 30.00 | 2527 | NYSE | AMRC | Tue, Aug 4, 2020 | 29.84 | 32.24 | 29.60 | 30.86 | 2526 | NYSE | AMRC | Mon, Aug 3, 2020 | 27.78 | 28.48 | 27.71 | 28.26 | 2525 | NYSE | AMRC | Fri, Jul 31, 2020 | 28.40 | 28.40 | 27.20 | 27.68 | 2524 | NYSE | AMRC | Thu, Jul 30, 2020 | 28.21 | 28.36 | 27.90 | 28.18 | 2523 | NYSE | AMRC | Wed, Jul 29, 2020 | 28.40 | 28.76 | 28.16 | 28.60 | 2522 | NYSE | AMRC | Tue, Jul 28, 2020 | 28.47 | 28.72 | 28.14 | 28.16 | 2521 | NYSE | AMRC | Mon, Jul 27, 2020 | 28.10 | 28.79 | 28.06 | 28.66 | 2520 | NYSE | AMRC | Fri, Jul 24, 2020 | 28.70 | 28.70 | 27.76 | 28.09 | 2519 | NYSE | AMRC | Thu, Jul 23, 2020 | 28.70 | 29.35 | 28.42 | 28.68 | 2518 | NYSE | AMRC | Wed, Jul 22, 2020 | 28.60 | 29.48 | 28.35 | 28.90 | 2517 | NYSE | AMRC | Tue, Jul 21, 2020 | 29.69 | 30.46 | 29.51 | 29.82 | 2516 | NYSE | AMRC | Mon, Jul 20, 2020 | 29.67 | 29.70 | 28.91 | 29.59 | 2515 | NYSE | AMRC | Fri, Jul 17, 2020 | 29.07 | 29.79 | 28.81 | 29.66 | 2514 | NYSE | AMRC | Thu, Jul 16, 2020 | 28.90 | 29.48 | 28.33 | 29.07 | 2513 | NYSE | AMRC | Wed, Jul 15, 2020 | 29.08 | 29.48 | 28.45 | 28.72 | 2512 | NYSE | AMRC | Tue, Jul 14, 2020 | 28.19 | 28.72 | 26.82 | 28.69 | 2511 | NYSE | AMRC | Mon, Jul 13, 2020 | 28.88 | 28.98 | 28.19 | 28.29 | 2510 | NYSE | AMRC | Fri, Jul 10, 2020 | 27.66 | 28.64 | 27.51 | 28.55 | 2509 | NYSE | AMRC | Thu, Jul 9, 2020 | 29.16 | 29.33 | 27.61 | 27.84 | 2508 | NYSE | AMRC | Wed, Jul 8, 2020 | 29.37 | 29.56 | 28.05 | 28.64 | 2507 | NYSE | AMRC | Tue, Jul 7, 2020 | 28.96 | 29.68 | 28.78 | 29.39 | 2506 | NYSE | AMRC | Mon, Jul 6, 2020 | 28.77 | 29.95 | 28.62 | 29.33 | 2505 | NYSE | AMRC | Thu, Jul 2, 2020 | 29.87 | 30.00 | 28.16 | 28.20 | 2504 | NYSE | AMRC | Wed, Jul 1, 2020 | 30.99 | 32.48 | 28.77 | 29.19 | 2503 | NYSE | AMRC | Tue, Jun 30, 2020 | 27.05 | 27.86 | 26.94 | 27.78 | 2502 | NYSE | AMRC | Mon, Jun 29, 2020 | 27.51 | 27.82 | 26.21 | 27.31 | 2501 | NYSE | AMRC | Fri, Jun 26, 2020 | 26.51 | 27.99 | 26.08 | 27.38 | 2500 | NYSE | AMRC | Thu, Jun 25, 2020 | 26.15 | 26.88 | 24.30 | 26.83 | 2499 | NYSE | AMRC | Wed, Jun 24, 2020 | 25.69 | 26.20 | 24.67 | 26.15 | 2498 | NYSE | AMRC | Tue, Jun 23, 2020 | 24.00 | 26.00 | 23.95 | 25.81 | 2497 | NYSE | AMRC | Mon, Jun 22, 2020 | 23.05 | 23.88 | 22.80 | 23.81 | 2496 | NYSE | AMRC | Fri, Jun 19, 2020 | 22.87 | 23.58 | 22.72 | 22.97 | 2495 | NYSE | AMRC | Thu, Jun 18, 2020 | 22.02 | 22.91 | 21.98 | 22.56 | 2494 | NYSE | AMRC | Wed, Jun 17, 2020 | 22.71 | 22.75 | 21.96 | 22.22 | 2493 | NYSE | AMRC | Tue, Jun 16, 2020 | 21.94 | 22.90 | 21.94 | 22.54 | 2492 | NYSE | AMRC | Mon, Jun 15, 2020 | 20.17 | 21.59 | 20.07 | 21.24 | 2491 | NYSE | AMRC | Fri, Jun 12, 2020 | 21.38 | 21.98 | 20.35 | 20.81 | 2490 | NYSE | AMRC | Thu, Jun 11, 2020 | 21.37 | 21.53 | 20.48 | 20.65 | 2489 | NYSE | AMRC | Wed, Jun 10, 2020 | 23.50 | 23.73 | 22.10 | 22.24 | 2488 | NYSE | AMRC | Tue, Jun 9, 2020 | 22.85 | 23.57 | 22.68 | 22.88 | 2487 | NYSE | AMRC | Mon, Jun 8, 2020 | 23.88 | 23.95 | 22.51 | 22.65 | 2486 | NYSE | AMRC | Fri, Jun 5, 2020 | 22.90 | 24.17 | 22.68 | 23.57 | 2485 | NYSE | AMRC | Thu, Jun 4, 2020 | 22.27 | 22.77 | 22.13 | 22.31 | 2484 | NYSE | AMRC | Wed, Jun 3, 2020 | 22.50 | 22.82 | 21.90 | 22.38 | 2483 | NYSE | AMRC | Tue, Jun 2, 2020 | 22.50 | 22.50 | 22.01 | 22.23 | 2482 | NYSE | AMRC | Mon, Jun 1, 2020 | 21.50 | 22.52 | 21.33 | 22.45 | 2481 | NYSE | AMRC | Fri, May 29, 2020 | 21.15 | 21.64 | 21.06 | 21.46 | 2480 | NYSE | AMRC | Thu, May 28, 2020 | 21.75 | 21.93 | 21.30 | 21.36 | 2479 | NYSE | AMRC | Wed, May 27, 2020 | 21.68 | 21.70 | 20.94 | 21.54 | 2478 | NYSE | AMRC | Tue, May 26, 2020 | 21.50 | 21.81 | 21.08 | 21.39 | 2477 | NYSE | AMRC | Fri, May 22, 2020 | 20.70 | 21.45 | 20.59 | 20.94 | 2476 | NYSE | AMRC | Thu, May 21, 2020 | 20.40 | 20.78 | 20.31 | 20.51 | 2475 | NYSE | AMRC | Wed, May 20, 2020 | 20.23 | 20.84 | 20.08 | 20.37 | 2474 | NYSE | AMRC | Tue, May 19, 2020 | 19.93 | 20.75 | 19.73 | 19.79 | 2473 | NYSE | AMRC | Mon, May 18, 2020 | 19.56 | 20.05 | 19.44 | 20.05 | 2472 | NYSE | AMRC | Fri, May 15, 2020 | 18.03 | 18.81 | 17.82 | 18.78 | 2471 | NYSE | AMRC | Thu, May 14, 2020 | 17.52 | 18.07 | 17.11 | 18.05 | 2470 | NYSE | AMRC | Wed, May 13, 2020 | 18.87 | 18.99 | 17.71 | 17.97 | 2469 | NYSE | AMRC | Tue, May 12, 2020 | 19.35 | 19.73 | 19.00 | 19.06 | 2468 | NYSE | AMRC | Mon, May 11, 2020 | 19.40 | 19.57 | 19.01 | 19.32 | 2467 | NYSE | AMRC | Fri, May 8, 2020 | 19.67 | 19.94 | 19.34 | 19.63 | 2466 | NYSE | AMRC | Thu, May 7, 2020 | 19.50 | 19.73 | 18.98 | 19.22 | 2465 | NYSE | AMRC | Wed, May 6, 2020 | 19.22 | 19.53 | 18.33 | 19.06 | 2464 | NYSE | AMRC | Tue, May 5, 2020 | 17.49 | 19.22 | 17.14 | 19.20 | 2463 | NYSE | AMRC | Mon, May 4, 2020 | 16.81 | 17.14 | 16.01 | 16.15 | 2462 | NYSE | AMRC | Fri, May 1, 2020 | 17.98 | 17.98 | 16.88 | 17.08 | 2461 | NYSE | AMRC | Thu, Apr 30, 2020 | 18.31 | 18.34 | 17.66 | 18.06 | 2460 | NYSE | AMRC | Wed, Apr 29, 2020 | 18.32 | 19.06 | 17.69 | 18.50 | 2459 | NYSE | AMRC | Tue, Apr 28, 2020 | 18.03 | 18.04 | 17.50 | 17.76 | 2458 | NYSE | AMRC | Mon, Apr 27, 2020 | 17.75 | 18.04 | 17.50 | 17.52 | 2457 | NYSE | AMRC | Fri, Apr 24, 2020 | 17.41 | 17.72 | 17.01 | 17.53 | 2456 | NYSE | AMRC | Thu, Apr 23, 2020 | 17.10 | 17.76 | 16.99 | 17.43 | 2455 | NYSE | AMRC | Wed, Apr 22, 2020 | 17.32 | 17.56 | 17.02 | 17.14 | 2454 | NYSE | AMRC | Tue, Apr 21, 2020 | 16.60 | 17.59 | 16.50 | 16.89 | 2453 | NYSE | AMRC | Mon, Apr 20, 2020 | 17.09 | 17.37 | 16.71 | 17.05 | 2452 | NYSE | AMRC | Fri, Apr 17, 2020 | 16.96 | 17.67 | 16.96 | 17.54 | 2451 | NYSE | AMRC | Thu, Apr 16, 2020 | 16.81 | 16.84 | 16.09 | 16.62 | 2450 | NYSE | AMRC | Wed, Apr 15, 2020 | 17.00 | 17.16 | 16.16 | 16.65 | 2449 | NYSE | AMRC | Tue, Apr 14, 2020 | 17.28 | 17.90 | 16.93 | 17.32 | 2448 | NYSE | AMRC | Mon, Apr 13, 2020 | 17.34 | 17.70 | 16.85 | 16.85 | 2447 | NYSE | AMRC | Thu, Apr 9, 2020 | 17.18 | 17.75 | 17.18 | 17.69 | 2446 | NYSE | AMRC | Wed, Apr 8, 2020 | 16.97 | 17.58 | 16.51 | 17.20 | 2445 | NYSE | AMRC | Tue, Apr 7, 2020 | 18.17 | 18.36 | 16.32 | 16.48 | 2444 | NYSE | AMRC | Mon, Apr 6, 2020 | 16.27 | 17.45 | 16.10 | 17.35 | 2443 | NYSE | AMRC | Fri, Apr 3, 2020 | 16.71 | 16.95 | 15.41 | 15.64 | 2442 | NYSE | AMRC | Thu, Apr 2, 2020 | 15.35 | 17.09 | 15.35 | 17.05 | 2441 | NYSE | AMRC | Wed, Apr 1, 2020 | 16.34 | 16.90 | 15.76 | 15.95 | 2440 | NYSE | AMRC | Tue, Mar 31, 2020 | 16.59 | 17.50 | 15.94 | 17.03 | 2439 | NYSE | AMRC | Mon, Mar 30, 2020 | 15.00 | 17.32 | 14.89 | 16.91 | 2438 | NYSE | AMRC | Fri, Mar 27, 2020 | 16.84 | 16.84 | 14.78 | 14.81 | 2437 | NYSE | AMRC | Thu, Mar 26, 2020 | 16.76 | 17.81 | 16.44 | 17.44 | 2436 | NYSE | AMRC | Wed, Mar 25, 2020 | 16.36 | 17.49 | 15.97 | 16.58 | 2435 | NYSE | AMRC | Tue, Mar 24, 2020 | 16.00 | 17.58 | 15.75 | 16.63 | 2434 | NYSE | AMRC | Mon, Mar 23, 2020 | 16.12 | 17.06 | 14.77 | 15.19 | 2433 | NYSE | AMRC | Fri, Mar 20, 2020 | 16.25 | 17.55 | 16.00 | 16.33 | 2432 | NYSE | AMRC | Thu, Mar 19, 2020 | 16.97 | 17.65 | 15.53 | 16.26 | 2431 | NYSE | AMRC | Wed, Mar 18, 2020 | 16.71 | 18.00 | 15.60 | 17.13 | 2430 | NYSE | AMRC | Tue, Mar 17, 2020 | 14.35 | 18.27 | 14.18 | 18.08 | 2429 | NYSE | AMRC | Mon, Mar 16, 2020 | 14.34 | 14.83 | 13.38 | 14.23 | 2428 | NYSE | AMRC | Fri, Mar 13, 2020 | 16.65 | 17.09 | 15.28 | 16.19 | 2427 | NYSE | AMRC | Thu, Mar 12, 2020 | 17.22 | 17.33 | 15.62 | 16.01 | 2426 | NYSE | AMRC | Wed, Mar 11, 2020 | 18.94 | 19.14 | 18.38 | 18.60 | 2425 | NYSE | AMRC | Tue, Mar 10, 2020 | 20.57 | 21.20 | 19.04 | 19.48 | 2424 | NYSE | AMRC | Mon, Mar 9, 2020 | 20.20 | 21.90 | 20.01 | 20.72 | 2423 | NYSE | AMRC | Fri, Mar 6, 2020 | 21.78 | 21.78 | 20.84 | 21.49 | 2422 | NYSE | AMRC | Thu, Mar 5, 2020 | 22.34 | 22.82 | 21.25 | 22.53 | 2421 | NYSE | AMRC | Wed, Mar 4, 2020 | 22.96 | 23.33 | 22.76 | 23.16 | 2420 | NYSE | AMRC | Tue, Mar 3, 2020 | 24.20 | 25.73 | 21.96 | 22.50 | 2419 | NYSE | AMRC | Mon, Mar 2, 2020 | 22.86 | 23.60 | 22.22 | 23.00 | 2418 | NYSE | AMRC | Fri, Feb 28, 2020 | 21.79 | 22.59 | 21.31 | 22.54 | 2417 | NYSE | AMRC | Thu, Feb 27, 2020 | 22.92 | 23.24 | 22.04 | 22.50 | 2416 | NYSE | AMRC | Wed, Feb 26, 2020 | 23.81 | 24.43 | 23.45 | 23.59 | 2415 | NYSE | AMRC | Tue, Feb 25, 2020 | 23.50 | 24.00 | 23.31 | 23.62 | 2414 | NYSE | AMRC | Mon, Feb 24, 2020 | 23.95 | 24.05 | 22.38 | 23.49 | 2413 | NYSE | AMRC | Fri, Feb 21, 2020 | 23.95 | 25.08 | 23.57 | 24.83 | 2412 | NYSE | AMRC | Thu, Feb 20, 2020 | 22.54 | 26.19 | 22.52 | 23.57 | 2411 | NYSE | AMRC | Wed, Feb 19, 2020 | 22.17 | 22.88 | 21.93 | 22.75 | 2410 | NYSE | AMRC | Tue, Feb 18, 2020 | 21.46 | 22.14 | 21.42 | 22.08 | 2409 | NYSE | AMRC | Fri, Feb 14, 2020 | 21.91 | 21.97 | 21.38 | 21.56 | 2408 | NYSE | AMRC | Thu, Feb 13, 2020 | 21.70 | 22.24 | 21.57 | 22.00 | 2407 | NYSE | AMRC | Wed, Feb 12, 2020 | 20.60 | 21.72 | 20.50 | 21.71 | 2406 | NYSE | AMRC | Tue, Feb 11, 2020 | 20.47 | 21.00 | 20.40 | 20.57 | 2405 | NYSE | AMRC | Mon, Feb 10, 2020 | 20.00 | 20.64 | 19.94 | 20.43 | 2404 | NYSE | AMRC | Fri, Feb 7, 2020 | 20.31 | 20.31 | 20.00 | 20.13 | 2403 | NYSE | AMRC | Thu, Feb 6, 2020 | 20.45 | 20.48 | 20.10 | 20.35 | 2402 | NYSE | AMRC | Wed, Feb 5, 2020 | 20.89 | 20.99 | 20.37 | 20.39 | 2401 | NYSE | AMRC | Tue, Feb 4, 2020 | 19.98 | 20.73 | 19.94 | 20.68 | 2400 | NYSE | AMRC | Mon, Feb 3, 2020 | 19.28 | 19.83 | 19.28 | 19.82 | 2399 | NYSE | AMRC | Fri, Jan 31, 2020 | 19.39 | 19.48 | 19.12 | 19.19 | 2398 | NYSE | AMRC | Thu, Jan 30, 2020 | 19.58 | 19.74 | 19.31 | 19.49 | 2397 | NYSE | AMRC | Wed, Jan 29, 2020 | 20.08 | 20.17 | 19.64 | 19.72 | 2396 | NYSE | AMRC | Tue, Jan 28, 2020 | 20.21 | 20.48 | 20.03 | 20.07 | 2395 | NYSE | AMRC | Mon, Jan 27, 2020 | 19.90 | 20.16 | 19.90 | 20.11 | 2394 | NYSE | AMRC | Fri, Jan 24, 2020 | 19.77 | 20.15 | 19.75 | 20.14 | 2393 | NYSE | AMRC | Thu, Jan 23, 2020 | 19.72 | 19.88 | 19.50 | 19.79 | 2392 | NYSE | AMRC | Wed, Jan 22, 2020 | 19.99 | 20.00 | 19.75 | 19.84 | 2391 | NYSE | AMRC | Tue, Jan 21, 2020 | 19.71 | 20.12 | 19.63 | 20.02 | 2390 | NYSE | AMRC | Fri, Jan 17, 2020 | 19.98 | 20.10 | 19.74 | 19.78 | 2389 | NYSE | AMRC | Thu, Jan 16, 2020 | 19.80 | 19.93 | 19.62 | 19.88 | 2388 | NYSE | AMRC | Wed, Jan 15, 2020 | 19.48 | 19.72 | 19.34 | 19.69 | 2387 | NYSE | AMRC | Tue, Jan 14, 2020 | 19.34 | 19.79 | 19.05 | 19.59 | 2386 | NYSE | AMRC | Mon, Jan 13, 2020 | 19.51 | 19.70 | 19.23 | 19.34 | 2385 | NYSE | AMRC | Fri, Jan 10, 2020 | 19.58 | 19.77 | 19.39 | 19.54 | 2384 | NYSE | AMRC | Thu, Jan 9, 2020 | 19.23 | 19.65 | 19.08 | 19.58 | 2383 | NYSE | AMRC | Wed, Jan 8, 2020 | 18.63 | 19.25 | 18.60 | 19.23 | 2382 | NYSE | AMRC | Tue, Jan 7, 2020 | 18.21 | 18.75 | 18.09 | 18.63 | 2381 | NYSE | AMRC | Mon, Jan 6, 2020 | 17.80 | 18.26 | 17.74 | 18.21 | 2380 | NYSE | AMRC | Fri, Jan 3, 2020 | 17.50 | 17.84 | 17.41 | 17.83 | 2379 | NYSE | AMRC | Thu, Jan 2, 2020 | 17.52 | 17.60 | 17.35 | 17.52 | 2378 | NYSE | AMRC | Tue, Dec 31, 2019 | 17.69 | 17.81 | 17.43 | 17.50 | 2377 | NYSE | AMRC | Mon, Dec 30, 2019 | 17.50 | 17.73 | 17.38 | 17.69 | 2376 | NYSE | AMRC | Fri, Dec 27, 2019 | 17.30 | 17.50 | 17.30 | 17.45 | 2375 | NYSE | AMRC | Thu, Dec 26, 2019 | 17.00 | 17.30 | 16.95 | 17.27 | 2374 | NYSE | AMRC | Tue, Dec 24, 2019 | 16.85 | 17.00 | 16.71 | 16.93 | 2373 | NYSE | AMRC | Mon, Dec 23, 2019 | 16.83 | 16.95 | 16.70 | 16.84 | 2372 | NYSE | AMRC | Fri, Dec 20, 2019 | 16.73 | 16.88 | 16.68 | 16.85 | 2371 | NYSE | AMRC | Thu, Dec 19, 2019 | 16.91 | 16.96 | 16.52 | 16.64 | 2370 | NYSE | AMRC | Wed, Dec 18, 2019 | 16.96 | 16.99 | 16.76 | 16.90 | 2369 | NYSE | AMRC | Tue, Dec 17, 2019 | 16.42 | 16.83 | 16.41 | 16.78 | 2368 | NYSE | AMRC | Mon, Dec 16, 2019 | 16.47 | 16.50 | 16.32 | 16.42 | 2367 | NYSE | AMRC | Fri, Dec 13, 2019 | 16.37 | 16.44 | 16.26 | 16.39 | 2366 | NYSE | AMRC | Thu, Dec 12, 2019 | 16.43 | 16.48 | 16.35 | 16.40 | 2365 | NYSE | AMRC | Wed, Dec 11, 2019 | 16.48 | 16.50 | 16.29 | 16.35 | 2364 | NYSE | AMRC | Tue, Dec 10, 2019 | 16.43 | 16.45 | 16.29 | 16.41 | 2363 | NYSE | AMRC | Mon, Dec 9, 2019 | 16.25 | 16.45 | 16.22 | 16.37 | 2362 | NYSE | AMRC | Fri, Dec 6, 2019 | 16.27 | 16.45 | 16.23 | 16.32 | 2361 | NYSE | AMRC | Thu, Dec 5, 2019 | 16.25 | 16.25 | 16.08 | 16.17 | 2360 | NYSE | AMRC | Wed, Dec 4, 2019 | 16.25 | 16.37 | 16.13 | 16.21 | 2359 | NYSE | AMRC | Tue, Dec 3, 2019 | 16.10 | 16.23 | 15.95 | 16.20 | 2358 | NYSE | AMRC | Mon, Dec 2, 2019 | 16.45 | 16.45 | 16.12 | 16.25 | 2357 | NYSE | AMRC | Fri, Nov 29, 2019 | 16.16 | 16.43 | 16.16 | 16.35 | 2356 | NYSE | AMRC | Wed, Nov 27, 2019 | 16.16 | 16.42 | 15.95 | 16.32 | 2355 | NYSE | AMRC | Tue, Nov 26, 2019 | 16.42 | 16.45 | 15.95 | 16.05 | 2354 | NYSE | AMRC | Mon, Nov 25, 2019 | 16.33 | 16.50 | 16.23 | 16.49 | 2353 | NYSE | AMRC | Fri, Nov 22, 2019 | 16.01 | 16.26 | 15.59 | 16.17 | 2352 | NYSE | AMRC | Thu, Nov 21, 2019 | 15.79 | 15.79 | 15.41 | 15.59 | 2351 | NYSE | AMRC | Wed, Nov 20, 2019 | 15.86 | 15.95 | 15.71 | 15.82 | 2350 | NYSE | AMRC | Tue, Nov 19, 2019 | 16.15 | 16.15 | 15.83 | 16.02 | 2349 | NYSE | AMRC | Mon, Nov 18, 2019 | 16.22 | 16.27 | 15.99 | 16.11 | 2348 | NYSE | AMRC | Fri, Nov 15, 2019 | 16.25 | 16.35 | 16.07 | 16.19 | 2347 | NYSE | AMRC | Thu, Nov 14, 2019 | 15.99 | 16.21 | 15.95 | 16.11 | 2346 | NYSE | AMRC | Wed, Nov 13, 2019 | 15.75 | 16.17 | 15.75 | 16.06 | 2345 | NYSE | AMRC | Tue, Nov 12, 2019 | 15.66 | 16.19 | 15.65 | 16.12 | 2344 | NYSE | AMRC | Mon, Nov 11, 2019 | 15.40 | 15.75 | 15.32 | 15.73 | 2343 | NYSE | AMRC | Fri, Nov 8, 2019 | 15.40 | 15.75 | 15.40 | 15.54 | 2342 | NYSE | AMRC | Thu, Nov 7, 2019 | 15.53 | 15.67 | 15.36 | 15.54 | 2341 | NYSE | AMRC | Wed, Nov 6, 2019 | 15.28 | 15.53 | 15.08 | 15.40 | 2340 | NYSE | AMRC | Tue, Nov 5, 2019 | 13.55 | 15.58 | 13.52 | 15.41 | 2339 | NYSE | AMRC | Mon, Nov 4, 2019 | 14.90 | 15.17 | 14.79 | 15.16 | 2338 | NYSE | AMRC | Fri, Nov 1, 2019 | 14.74 | 14.88 | 14.64 | 14.69 | 2337 | NYSE | AMRC | Thu, Oct 31, 2019 | 15.23 | 15.33 | 14.66 | 14.74 | 2336 | NYSE | AMRC | Wed, Oct 30, 2019 | 15.12 | 15.39 | 15.06 | 15.35 | 2335 | NYSE | AMRC | Tue, Oct 29, 2019 | 15.06 | 15.23 | 15.01 | 15.18 | 2334 | NYSE | AMRC | Mon, Oct 28, 2019 | 14.90 | 15.24 | 14.82 | 15.18 | 2333 | NYSE | AMRC | Fri, Oct 25, 2019 | 14.76 | 14.96 | 14.63 | 14.87 | 2332 | NYSE | AMRC | Thu, Oct 24, 2019 | 15.00 | 15.04 | 14.71 | 14.79 | 2331 | NYSE | AMRC | Wed, Oct 23, 2019 | 14.77 | 15.10 | 14.75 | 14.99 | 2330 | NYSE | AMRC | Tue, Oct 22, 2019 | 14.70 | 14.86 | 14.47 | 14.77 | 2329 | NYSE | AMRC | Mon, Oct 21, 2019 | 14.90 | 14.98 | 14.73 | 14.74 | 2328 | NYSE | AMRC | Fri, Oct 18, 2019 | 14.66 | 15.10 | 14.66 | 14.87 | 2327 | NYSE | AMRC | Thu, Oct 17, 2019 | 14.57 | 14.75 | 14.45 | 14.74 | 2326 | NYSE | AMRC | Wed, Oct 16, 2019 | 14.43 | 14.74 | 14.33 | 14.46 | 2325 | NYSE | AMRC | Tue, Oct 15, 2019 | 14.37 | 14.77 | 14.24 | 14.47 | 2324 | NYSE | AMRC | Mon, Oct 14, 2019 | 14.68 | 14.80 | 14.28 | 14.33 | 2323 | NYSE | AMRC | Fri, Oct 11, 2019 | 14.58 | 14.91 | 14.58 | 14.72 | 2322 | NYSE | AMRC | Thu, Oct 10, 2019 | 14.25 | 14.47 | 14.08 | 14.40 | 2321 | NYSE | AMRC | Wed, Oct 9, 2019 | 14.57 | 14.62 | 14.13 | 14.19 | 2320 | NYSE | AMRC | Tue, Oct 8, 2019 | 14.32 | 14.64 | 14.26 | 14.43 | 2319 | NYSE | AMRC | Mon, Oct 7, 2019 | 14.65 | 14.66 | 14.46 | 14.55 | 2318 | NYSE | AMRC | Fri, Oct 4, 2019 | 14.55 | 14.74 | 14.46 | 14.65 | 2317 | NYSE | AMRC | Thu, Oct 3, 2019 | 14.91 | 14.97 | 14.51 | 14.58 | 2316 | NYSE | AMRC | Wed, Oct 2, 2019 | 16.01 | 16.01 | 14.72 | 15.00 | 2315 | NYSE | AMRC | Tue, Oct 1, 2019 | 16.20 | 16.35 | 15.96 | 16.08 | 2314 | NYSE | AMRC | Mon, Sep 30, 2019 | 15.85 | 16.13 | 15.80 | 16.07 | 2313 | NYSE | AMRC | Fri, Sep 27, 2019 | 16.08 | 16.08 | 15.51 | 15.87 | 2312 | NYSE | AMRC | Thu, Sep 26, 2019 | 16.22 | 16.31 | 15.95 | 15.95 | 2311 | NYSE | AMRC | Wed, Sep 25, 2019 | 16.02 | 16.35 | 15.94 | 16.29 | 2310 | NYSE | AMRC | Tue, Sep 24, 2019 | 15.97 | 16.22 | 15.65 | 16.07 | 2309 | NYSE | AMRC | Mon, Sep 23, 2019 | 15.12 | 16.00 | 15.06 | 15.94 | 2308 | NYSE | AMRC | Fri, Sep 20, 2019 | 15.10 | 15.25 | 15.00 | 15.23 | 2307 | NYSE | AMRC | Thu, Sep 19, 2019 | 15.12 | 15.24 | 15.10 | 15.15 | 2306 | NYSE | AMRC | Wed, Sep 18, 2019 | 15.20 | 15.25 | 14.98 | 15.11 | 2305 | NYSE | AMRC | Tue, Sep 17, 2019 | 15.17 | 15.25 | 14.98 | 15.24 | 2304 | NYSE | AMRC | Mon, Sep 16, 2019 | 15.10 | 15.32 | 15.06 | 15.25 | 2303 | NYSE | AMRC | Fri, Sep 13, 2019 | 15.31 | 15.35 | 15.15 | 15.19 | 2302 | NYSE | AMRC | Thu, Sep 12, 2019 | 15.22 | 15.38 | 14.97 | 15.20 | 2301 | NYSE | AMRC | Wed, Sep 11, 2019 | 14.63 | 15.25 | 14.59 | 15.24 | 2300 | NYSE | AMRC | Tue, Sep 10, 2019 | 14.11 | 14.69 | 13.99 | 14.54 | 2299 | NYSE | AMRC | Mon, Sep 9, 2019 | 14.07 | 14.09 | 13.87 | 14.09 | 2298 | NYSE | AMRC | Fri, Sep 6, 2019 | 14.19 | 14.27 | 14.02 | 14.06 | 2297 | NYSE | AMRC | Thu, Sep 5, 2019 | 14.29 | 14.35 | 14.09 | 14.20 | 2296 | NYSE | AMRC | Wed, Sep 4, 2019 | 14.36 | 14.39 | 14.12 | 14.13 | 2295 | NYSE | AMRC | Tue, Sep 3, 2019 | 14.37 | 14.37 | 14.08 | 14.20 | 2294 | NYSE | AMRC | Fri, Aug 30, 2019 | 14.53 | 14.66 | 14.29 | 14.40 | 2293 | NYSE | AMRC | Thu, Aug 29, 2019 | 14.59 | 14.67 | 14.43 | 14.45 | 2292 | NYSE | AMRC | Wed, Aug 28, 2019 | 14.45 | 14.49 | 14.22 | 14.40 | 2291 | NYSE | AMRC | Tue, Aug 27, 2019 | 14.97 | 15.00 | 14.41 | 14.45 | 2290 | NYSE | AMRC | Mon, Aug 26, 2019 | 14.40 | 14.89 | 14.33 | 14.87 | 2289 | NYSE | AMRC | Fri, Aug 23, 2019 | 14.58 | 14.71 | 14.22 | 14.27 | 2288 | NYSE | AMRC | Thu, Aug 22, 2019 | 14.80 | 14.87 | 14.60 | 14.61 | 2287 | NYSE | AMRC | Wed, Aug 21, 2019 | 14.68 | 14.86 | 14.47 | 14.71 | 2286 | NYSE | AMRC | Tue, Aug 20, 2019 | 14.59 | 14.64 | 14.46 | 14.54 | 2285 | NYSE | AMRC | Mon, Aug 19, 2019 | 14.90 | 14.99 | 14.62 | 14.70 | 2284 | NYSE | AMRC | Fri, Aug 16, 2019 | 14.24 | 14.78 | 14.24 | 14.74 | 2283 | NYSE | AMRC | Thu, Aug 15, 2019 | 14.04 | 14.40 | 13.97 | 14.30 | 2282 | NYSE | AMRC | Wed, Aug 14, 2019 | 14.04 | 14.04 | 13.81 | 13.87 | 2281 | NYSE | AMRC | Tue, Aug 13, 2019 | 14.20 | 14.54 | 13.91 | 14.22 | 2280 | NYSE | AMRC | Mon, Aug 12, 2019 | 14.35 | 14.45 | 14.20 | 14.35 | 2279 | NYSE | AMRC | Fri, Aug 9, 2019 | 14.47 | 14.56 | 14.17 | 14.40 | 2278 | NYSE | AMRC | Thu, Aug 8, 2019 | 14.68 | 15.00 | 13.99 | 14.47 | 2277 | NYSE | AMRC | Wed, Aug 7, 2019 | 13.25 | 13.38 | 13.11 | 13.23 | 2276 | NYSE | AMRC | Tue, Aug 6, 2019 | 13.56 | 13.77 | 13.25 | 13.37 | 2275 | NYSE | AMRC | Mon, Aug 5, 2019 | 13.90 | 13.98 | 13.37 | 13.46 | 2274 | NYSE | AMRC | Fri, Aug 2, 2019 | 14.09 | 14.24 | 13.91 | 14.10 | 2273 | NYSE | AMRC | Thu, Aug 1, 2019 | 14.36 | 14.49 | 14.17 | 14.17 | 2272 | NYSE | AMRC | Wed, Jul 31, 2019 | 14.34 | 14.61 | 14.20 | 14.25 | 2271 | NYSE | AMRC | Tue, Jul 30, 2019 | 14.15 | 14.35 | 14.08 | 14.31 | 2270 | NYSE | AMRC | Mon, Jul 29, 2019 | 14.30 | 14.34 | 14.16 | 14.24 | 2269 | NYSE | AMRC | Fri, Jul 26, 2019 | 14.30 | 14.36 | 14.15 | 14.30 | 2268 | NYSE | AMRC | Thu, Jul 25, 2019 | 14.60 | 14.72 | 14.22 | 14.25 | 2267 | NYSE | AMRC | Wed, Jul 24, 2019 | 14.18 | 14.63 | 14.18 | 14.60 | 2266 | NYSE | AMRC | Tue, Jul 23, 2019 | 14.20 | 14.36 | 14.15 | 14.23 | 2265 | NYSE | AMRC | Mon, Jul 22, 2019 | 14.10 | 14.36 | 14.06 | 14.17 | 2264 | NYSE | AMRC | Fri, Jul 19, 2019 | 14.24 | 14.50 | 14.09 | 14.11 | 2263 | NYSE | AMRC | Thu, Jul 18, 2019 | 14.26 | 14.34 | 14.09 | 14.26 | 2262 | NYSE | AMRC | Wed, Jul 17, 2019 | 14.24 | 14.48 | 14.24 | 14.31 | 2261 | NYSE | AMRC | Tue, Jul 16, 2019 | 14.20 | 14.57 | 14.19 | 14.27 | 2260 | NYSE | AMRC | Mon, Jul 15, 2019 | 14.29 | 14.33 | 13.95 | 14.14 | 2259 | NYSE | AMRC | Fri, Jul 12, 2019 | 14.40 | 14.42 | 14.12 | 14.29 | 2258 | NYSE | AMRC | Thu, Jul 11, 2019 | 14.64 | 14.64 | 14.07 | 14.33 | 2257 | NYSE | AMRC | Wed, Jul 10, 2019 | 14.58 | 14.66 | 14.39 | 14.58 | 2256 | NYSE | AMRC | Tue, Jul 9, 2019 | 14.55 | 14.77 | 14.45 | 14.50 | 2255 | NYSE | AMRC | Mon, Jul 8, 2019 | 14.68 | 14.80 | 14.50 | 14.79 | 2254 | NYSE | AMRC | Fri, Jul 5, 2019 | 14.61 | 14.77 | 14.43 | 14.67 | 2253 | NYSE | AMRC | Wed, Jul 3, 2019 | 14.51 | 14.81 | 14.47 | 14.65 | 2252 | NYSE | AMRC | Tue, Jul 2, 2019 | 14.74 | 14.76 | 14.34 | 14.49 | 2251 | NYSE | AMRC | Mon, Jul 1, 2019 | 14.97 | 14.98 | 14.66 | 14.75 | 2250 | NYSE | AMRC | Fri, Jun 28, 2019 | 14.62 | 15.00 | 14.60 | 14.73 | 2249 | NYSE | AMRC | Thu, Jun 27, 2019 | 14.36 | 14.66 | 14.31 | 14.56 | 2248 | NYSE | AMRC | Wed, Jun 26, 2019 | 14.34 | 14.70 | 14.30 | 14.35 | 2247 | NYSE | AMRC | Tue, Jun 25, 2019 | 14.32 | 14.47 | 14.22 | 14.26 | 2246 | NYSE | AMRC | Mon, Jun 24, 2019 | 14.34 | 14.54 | 14.16 | 14.33 | 2245 | NYSE | AMRC | Fri, Jun 21, 2019 | 14.41 | 14.57 | 14.18 | 14.35 | 2244 | NYSE | AMRC | Thu, Jun 20, 2019 | 14.55 | 14.89 | 14.45 | 14.46 | 2243 | NYSE | AMRC | Wed, Jun 19, 2019 | 14.18 | 14.43 | 14.09 | 14.38 | 2242 | NYSE | AMRC | Tue, Jun 18, 2019 | 14.17 | 14.46 | 14.15 | 14.19 | 2241 | NYSE | AMRC | Mon, Jun 17, 2019 | 14.26 | 14.35 | 14.04 | 14.10 | 2240 | NYSE | AMRC | Fri, Jun 14, 2019 | 14.26 | 14.42 | 14.26 | 14.27 | 2239 | NYSE | AMRC | Thu, Jun 13, 2019 | 13.96 | 14.33 | 13.95 | 14.31 | 2238 | NYSE | AMRC | Wed, Jun 12, 2019 | 13.64 | 13.92 | 13.63 | 13.90 | 2237 | NYSE | AMRC | Tue, Jun 11, 2019 | 14.05 | 14.09 | 13.64 | 13.76 | 2236 | NYSE | AMRC | Mon, Jun 10, 2019 | 14.22 | 14.25 | 13.90 | 13.92 | 2235 | NYSE | AMRC | Fri, Jun 7, 2019 | 14.18 | 14.33 | 14.09 | 14.13 | 2234 | NYSE | AMRC | Thu, Jun 6, 2019 | 14.65 | 14.65 | 14.21 | 14.24 | 2233 | NYSE | AMRC | Wed, Jun 5, 2019 | 14.71 | 14.79 | 14.54 | 14.64 | 2232 | NYSE | AMRC | Tue, Jun 4, 2019 | 14.68 | 14.71 | 14.54 | 14.70 | 2231 | NYSE | AMRC | Mon, Jun 3, 2019 | 14.54 | 14.72 | 14.42 | 14.51 | 2230 | NYSE | AMRC | Fri, May 31, 2019 | 14.96 | 14.97 | 14.49 | 14.50 | 2229 | NYSE | AMRC | Thu, May 30, 2019 | 15.07 | 15.27 | 14.99 | 15.12 | 2228 | NYSE | AMRC | Wed, May 29, 2019 | 15.04 | 15.18 | 14.92 | 15.04 | 2227 | NYSE | AMRC | Tue, May 28, 2019 | 15.16 | 15.52 | 15.14 | 15.18 | 2226 | NYSE | AMRC | Fri, May 24, 2019 | 15.52 | 15.57 | 15.09 | 15.12 | 2225 | NYSE | AMRC | Thu, May 23, 2019 | 15.36 | 15.43 | 15.23 | 15.37 | 2224 | NYSE | AMRC | Wed, May 22, 2019 | 15.81 | 15.81 | 15.40 | 15.52 | 2223 | NYSE | AMRC | Tue, May 21, 2019 | 15.80 | 16.05 | 15.75 | 15.85 | 2222 | NYSE | AMRC | Mon, May 20, 2019 | 15.64 | 15.74 | 15.50 | 15.67 | 2221 | NYSE | AMRC | Fri, May 17, 2019 | 15.63 | 16.08 | 15.63 | 15.78 | 2220 | NYSE | AMRC | Thu, May 16, 2019 | 15.25 | 15.71 | 15.24 | 15.70 | 2219 | NYSE | AMRC | Wed, May 15, 2019 | 15.19 | 15.27 | 15.11 | 15.23 | 2218 | NYSE | AMRC | Tue, May 14, 2019 | 15.23 | 15.29 | 15.15 | 15.19 | 2217 | NYSE | AMRC | Mon, May 13, 2019 | 15.15 | 15.22 | 15.06 | 15.12 | 2216 | NYSE | AMRC | Fri, May 10, 2019 | 15.36 | 15.48 | 15.28 | 15.43 | 2215 | NYSE | AMRC | Thu, May 9, 2019 | 15.11 | 15.49 | 15.09 | 15.40 | 2214 | NYSE | AMRC | Wed, May 8, 2019 | 15.15 | 15.37 | 15.02 | 15.23 | 2213 | NYSE | AMRC | Tue, May 7, 2019 | 15.00 | 15.30 | 15.00 | 15.18 | 2212 | NYSE | AMRC | Mon, May 6, 2019 | 14.96 | 15.35 | 14.96 | 15.13 | 2211 | NYSE | AMRC | Fri, May 3, 2019 | 15.27 | 15.33 | 15.00 | 15.22 | 2210 | NYSE | AMRC | Thu, May 2, 2019 | 15.13 | 15.17 | 14.88 | 15.12 | 2209 | NYSE | AMRC | Wed, May 1, 2019 | 15.07 | 15.17 | 14.48 | 15.10 | 2208 | NYSE | AMRC | Tue, Apr 30, 2019 | 16.45 | 16.45 | 15.00 | 15.06 | 2207 | NYSE | AMRC | Mon, Apr 29, 2019 | 16.36 | 16.70 | 16.26 | 16.64 | 2206 | NYSE | AMRC | Fri, Apr 26, 2019 | 16.35 | 16.39 | 16.18 | 16.30 | 2205 | NYSE | AMRC | Thu, Apr 25, 2019 | 16.25 | 16.44 | 16.18 | 16.34 | 2204 | NYSE | AMRC | Wed, Apr 24, 2019 | 16.31 | 16.50 | 16.28 | 16.33 | 2203 | NYSE | AMRC | Tue, Apr 23, 2019 | 16.29 | 16.54 | 16.29 | 16.32 | 2202 | NYSE | AMRC | Mon, Apr 22, 2019 | 16.25 | 16.34 | 16.11 | 16.29 | 2201 | NYSE | AMRC | Thu, Apr 18, 2019 | 16.08 | 16.35 | 16.07 | 16.31 | 2200 | NYSE | AMRC | Wed, Apr 17, 2019 | 16.26 | 16.34 | 16.03 | 16.10 | 2199 | NYSE | AMRC | Tue, Apr 16, 2019 | 16.36 | 16.37 | 16.08 | 16.34 | 2198 | NYSE | AMRC | Mon, Apr 15, 2019 | 16.50 | 16.53 | 16.26 | 16.32 | 2197 | NYSE | AMRC | Fri, Apr 12, 2019 | 16.50 | 16.60 | 16.38 | 16.49 | 2196 | NYSE | AMRC | Thu, Apr 11, 2019 | 16.50 | 16.53 | 16.30 | 16.48 | 2195 | NYSE | AMRC | Wed, Apr 10, 2019 | 16.35 | 16.50 | 16.29 | 16.48 | 2194 | NYSE | AMRC | Tue, Apr 9, 2019 | 16.37 | 16.53 | 16.29 | 16.30 | 2193 | NYSE | AMRC | Mon, Apr 8, 2019 | 16.33 | 16.52 | 16.15 | 16.43 | 2192 | NYSE | AMRC | Fri, Apr 5, 2019 | 16.32 | 16.53 | 16.26 | 16.45 | 2191 | NYSE | AMRC | Thu, Apr 4, 2019 | 16.35 | 16.43 | 16.07 | 16.28 | 2190 | NYSE | AMRC | Wed, Apr 3, 2019 | 16.41 | 16.51 | 16.22 | 16.29 | 2189 | NYSE | AMRC | Tue, Apr 2, 2019 | 16.26 | 16.31 | 16.14 | 16.30 | 2188 | NYSE | AMRC | Mon, Apr 1, 2019 | 16.23 | 16.41 | 16.14 | 16.24 | 2187 | NYSE | AMRC | Fri, Mar 29, 2019 | 16.37 | 16.37 | 16.00 | 16.18 | 2186 | NYSE | AMRC | Thu, Mar 28, 2019 | 16.13 | 16.24 | 15.98 | 16.21 | 2185 | NYSE | AMRC | Wed, Mar 27, 2019 | 16.18 | 16.19 | 15.70 | 16.11 | 2184 | NYSE | AMRC | Tue, Mar 26, 2019 | 16.39 | 16.51 | 16.13 | 16.19 | 2183 | NYSE | AMRC | Mon, Mar 25, 2019 | 16.49 | 16.49 | 15.70 | 16.32 | 2182 | NYSE | AMRC | Fri, Mar 22, 2019 | 16.95 | 17.12 | 16.52 | 16.71 | 2181 | NYSE | AMRC | Thu, Mar 21, 2019 | 17.04 | 17.38 | 17.00 | 17.10 | 2180 | NYSE | AMRC | Wed, Mar 20, 2019 | 17.29 | 17.42 | 16.98 | 17.27 | 2179 | NYSE | AMRC | Tue, Mar 19, 2019 | 17.41 | 17.55 | 17.22 | 17.29 | 2178 | NYSE | AMRC | Mon, Mar 18, 2019 | 17.27 | 17.53 | 17.04 | 17.30 | 2177 | NYSE | AMRC | Fri, Mar 15, 2019 | 16.33 | 17.24 | 16.33 | 17.24 | 2176 | NYSE | AMRC | Thu, Mar 14, 2019 | 16.33 | 16.40 | 16.20 | 16.26 | 2175 | NYSE | AMRC | Wed, Mar 13, 2019 | 16.40 | 16.54 | 16.16 | 16.23 | 2174 | NYSE | AMRC | Tue, Mar 12, 2019 | 16.29 | 16.33 | 16.06 | 16.22 | 2173 | NYSE | AMRC | Mon, Mar 11, 2019 | 16.23 | 16.41 | 15.61 | 16.15 | 2172 | NYSE | AMRC | Fri, Mar 8, 2019 | 17.39 | 17.54 | 16.15 | 16.23 | 2171 | NYSE | AMRC | Thu, Mar 7, 2019 | 17.95 | 18.00 | 17.57 | 17.76 | 2170 | NYSE | AMRC | Wed, Mar 6, 2019 | 17.85 | 17.95 | 16.41 | 17.51 | 2169 | NYSE | AMRC | Tue, Mar 5, 2019 | 17.40 | 18.05 | 17.38 | 17.95 | 2168 | NYSE | AMRC | Mon, Mar 4, 2019 | 16.95 | 17.29 | 16.72 | 17.27 | 2167 | NYSE | AMRC | Fri, Mar 1, 2019 | 16.54 | 16.54 | 16.20 | 16.54 | 2166 | NYSE | AMRC | Thu, Feb 28, 2019 | 16.35 | 16.45 | 16.20 | 16.37 | 2165 | NYSE | AMRC | Wed, Feb 27, 2019 | 16.48 | 16.52 | 16.29 | 16.34 | 2164 | NYSE | AMRC | Tue, Feb 26, 2019 | 16.50 | 16.59 | 16.38 | 16.55 | 2163 | NYSE | AMRC | Mon, Feb 25, 2019 | 16.98 | 17.00 | 16.50 | 16.50 | 2162 | NYSE | AMRC | Fri, Feb 22, 2019 | 16.55 | 17.00 | 16.55 | 16.76 | 2161 | NYSE | AMRC | Thu, Feb 21, 2019 | 16.20 | 16.61 | 16.14 | 16.56 | 2160 | NYSE | AMRC | Wed, Feb 20, 2019 | 15.24 | 16.34 | 15.23 | 16.23 | 2159 | NYSE | AMRC | Tue, Feb 19, 2019 | 15.21 | 15.24 | 15.01 | 15.21 | 2158 | NYSE | AMRC | Fri, Feb 15, 2019 | 14.92 | 15.24 | 14.90 | 15.23 | 2157 | NYSE | AMRC | Thu, Feb 14, 2019 | 14.83 | 14.96 | 14.83 | 14.83 | 2156 | NYSE | AMRC | Wed, Feb 13, 2019 | 14.97 | 14.97 | 14.81 | 14.89 | 2155 | NYSE | AMRC | Tue, Feb 12, 2019 | 14.96 | 15.02 | 14.83 | 14.94 | 2154 | NYSE | AMRC | Mon, Feb 11, 2019 | 14.93 | 15.02 | 14.66 | 14.87 | 2153 | NYSE | AMRC | Fri, Feb 8, 2019 | 14.64 | 14.82 | 14.59 | 14.81 | 2152 | NYSE | AMRC | Thu, Feb 7, 2019 | 14.83 | 14.89 | 14.41 | 14.75 | 2151 | NYSE | AMRC | Wed, Feb 6, 2019 | 15.19 | 15.19 | 14.90 | 14.93 | 2150 | NYSE | AMRC | Tue, Feb 5, 2019 | 15.39 | 15.50 | 15.06 | 15.20 | 2149 | NYSE | AMRC | Mon, Feb 4, 2019 | 15.03 | 15.30 | 14.95 | 15.24 | 2148 | NYSE | AMRC | Fri, Feb 1, 2019 | 15.00 | 15.16 | 14.86 | 15.06 | 2147 | NYSE | AMRC | Thu, Jan 31, 2019 | 14.84 | 15.12 | 14.84 | 14.93 | 2146 | NYSE | AMRC | Wed, Jan 30, 2019 | 14.83 | 15.24 | 14.64 | 14.83 | 2145 | NYSE | AMRC | Tue, Jan 29, 2019 | 14.53 | 14.80 | 14.53 | 14.64 | 2144 | NYSE | AMRC | Mon, Jan 28, 2019 | 14.70 | 14.85 | 14.60 | 14.63 | 2143 | NYSE | AMRC | Fri, Jan 25, 2019 | 14.86 | 15.17 | 14.69 | 14.71 | 2142 | NYSE | AMRC | Thu, Jan 24, 2019 | 14.67 | 14.75 | 14.56 | 14.74 | 2141 | NYSE | AMRC | Wed, Jan 23, 2019 | 14.48 | 14.92 | 14.48 | 14.65 | 2140 | NYSE | AMRC | Tue, Jan 22, 2019 | 15.18 | 15.24 | 14.31 | 14.41 | 2139 | NYSE | AMRC | Fri, Jan 18, 2019 | 15.10 | 15.25 | 14.92 | 15.22 | 2138 | NYSE | AMRC | Thu, Jan 17, 2019 | 14.91 | 15.06 | 14.90 | 15.03 | 2137 | NYSE | AMRC | Wed, Jan 16, 2019 | 15.17 | 15.35 | 14.76 | 14.90 | 2136 | NYSE | AMRC | Tue, Jan 15, 2019 | 15.03 | 15.24 | 14.82 | 15.09 | 2135 | NYSE | AMRC | Mon, Jan 14, 2019 | 15.17 | 15.31 | 14.89 | 14.95 | 2134 | NYSE | AMRC | Fri, Jan 11, 2019 | 15.00 | 15.35 | 15.00 | 15.25 | 2133 | NYSE | AMRC | Thu, Jan 10, 2019 | 15.00 | 15.24 | 14.84 | 15.05 | 2132 | NYSE | AMRC | Wed, Jan 9, 2019 | 15.17 | 15.17 | 14.84 | 15.11 | 2131 | NYSE | AMRC | Tue, Jan 8, 2019 | 15.15 | 15.22 | 14.95 | 15.07 | 2130 | NYSE | AMRC | Mon, Jan 7, 2019 | 14.58 | 15.00 | 14.58 | 14.95 | 2129 | NYSE | AMRC | Fri, Jan 4, 2019 | 13.90 | 14.56 | 13.85 | 14.54 | 2128 | NYSE | AMRC | Thu, Jan 3, 2019 | 13.99 | 14.05 | 13.57 | 13.61 | 2127 | NYSE | AMRC | Wed, Jan 2, 2019 | 13.87 | 14.08 | 13.74 | 14.07 | 2126 | NYSE | AMRC | Mon, Dec 31, 2018 | 14.18 | 14.23 | 13.85 | 14.10 | 2125 | NYSE | AMRC | Fri, Dec 28, 2018 | 14.12 | 14.18 | 13.74 | 14.06 | 2124 | NYSE | AMRC | Thu, Dec 27, 2018 | 14.00 | 14.10 | 13.53 | 14.07 | 2123 | NYSE | AMRC | Wed, Dec 26, 2018 | 13.40 | 14.20 | 13.30 | 14.20 | 2122 | NYSE | AMRC | Mon, Dec 24, 2018 | 13.56 | 13.78 | 13.30 | 13.37 | 2121 | NYSE | AMRC | Fri, Dec 21, 2018 | 14.27 | 14.41 | 13.59 | 13.68 | 2120 | NYSE | AMRC | Thu, Dec 20, 2018 | 14.68 | 14.68 | 14.07 | 14.25 | 2119 | NYSE | AMRC | Wed, Dec 19, 2018 | 14.80 | 15.26 | 14.46 | 14.58 | 2118 | NYSE | AMRC | Tue, Dec 18, 2018 | 14.75 | 14.86 | 14.55 | 14.69 | 2117 | NYSE | AMRC | Mon, Dec 17, 2018 | 15.22 | 15.22 | 14.63 | 14.71 | 2116 | NYSE | AMRC | Fri, Dec 14, 2018 | 15.02 | 15.36 | 15.01 | 15.25 | 2115 | NYSE | AMRC | Thu, Dec 13, 2018 | 15.47 | 15.47 | 15.12 | 15.26 | 2114 | NYSE | AMRC | Wed, Dec 12, 2018 | 15.07 | 15.49 | 14.80 | 15.43 | 2113 | NYSE | AMRC | Tue, Dec 11, 2018 | 14.86 | 14.86 | 14.54 | 14.72 | 2112 | NYSE | AMRC | Mon, Dec 10, 2018 | 14.61 | 14.88 | 14.45 | 14.72 | 2111 | NYSE | AMRC | Fri, Dec 7, 2018 | 15.25 | 15.31 | 14.54 | 14.68 | 2110 | NYSE | AMRC | Thu, Dec 6, 2018 | 14.82 | 15.24 | 14.65 | 15.23 | 2109 | NYSE | AMRC | Tue, Dec 4, 2018 | 15.40 | 15.52 | 14.92 | 14.95 | 2108 | NYSE | AMRC | Mon, Dec 3, 2018 | 15.77 | 15.78 | 15.18 | 15.41 | 2107 | NYSE | AMRC | Fri, Nov 30, 2018 | 15.81 | 16.06 | 15.68 | 15.72 | 2106 | NYSE | AMRC | Thu, Nov 29, 2018 | 15.75 | 16.00 | 15.65 | 15.81 | 2105 | NYSE | AMRC | Wed, Nov 28, 2018 | 14.84 | 15.81 | 14.80 | 15.75 | 2104 | NYSE | AMRC | Tue, Nov 27, 2018 | 14.55 | 14.95 | 14.55 | 14.73 | 2103 | NYSE | AMRC | Mon, Nov 26, 2018 | 14.15 | 14.67 | 14.15 | 14.60 | 2102 | NYSE | AMRC | Fri, Nov 23, 2018 | 14.00 | 14.24 | 14.00 | 14.11 | 2101 | NYSE | AMRC | Wed, Nov 21, 2018 | 13.76 | 14.13 | 13.75 | 14.00 | 2100 | NYSE | AMRC | Tue, Nov 20, 2018 | 14.27 | 14.31 | 13.65 | 13.68 | 2099 | NYSE | AMRC | Mon, Nov 19, 2018 | 14.80 | 14.84 | 14.34 | 14.37 | 2098 | NYSE | AMRC | Fri, Nov 16, 2018 | 14.74 | 14.85 | 14.47 | 14.83 | 2097 | NYSE | AMRC | Thu, Nov 15, 2018 | 14.60 | 14.84 | 14.26 | 14.75 | 2096 | NYSE | AMRC | Wed, Nov 14, 2018 | 14.42 | 14.70 | 14.18 | 14.52 | 2095 | NYSE | AMRC | Tue, Nov 13, 2018 | 14.37 | 14.50 | 14.14 | 14.30 | 2094 | NYSE | AMRC | Mon, Nov 12, 2018 | 14.88 | 14.88 | 14.33 | 14.36 | 2093 | NYSE | AMRC | Fri, Nov 9, 2018 | 15.24 | 15.31 | 14.74 | 14.93 | 2092 | NYSE | AMRC | Thu, Nov 8, 2018 | 15.55 | 15.55 | 15.15 | 15.24 | 2091 | NYSE | AMRC | Wed, Nov 7, 2018 | 15.25 | 15.70 | 15.25 | 15.50 | 2090 | NYSE | AMRC | Tue, Nov 6, 2018 | 15.30 | 15.35 | 14.83 | 15.31 | 2089 | NYSE | AMRC | Mon, Nov 5, 2018 | 15.60 | 15.75 | 15.29 | 15.40 | 2088 | NYSE | AMRC | Fri, Nov 2, 2018 | 15.80 | 16.24 | 15.58 | 15.67 | 2087 | NYSE | AMRC | Thu, Nov 1, 2018 | 15.80 | 16.12 | 15.43 | 15.80 | 2086 | NYSE | AMRC | Wed, Oct 31, 2018 | 14.83 | 16.59 | 14.60 | 16.37 | 2085 | NYSE | AMRC | Tue, Oct 30, 2018 | 12.90 | 14.60 | 12.90 | 14.53 | 2084 | NYSE | AMRC | Mon, Oct 29, 2018 | 12.77 | 13.03 | 12.61 | 12.78 | 2083 | NYSE | AMRC | Fri, Oct 26, 2018 | 12.45 | 12.81 | 12.41 | 12.61 | 2082 | NYSE | AMRC | Thu, Oct 25, 2018 | 12.41 | 12.71 | 12.37 | 12.60 | 2081 | NYSE | AMRC | Wed, Oct 24, 2018 | 12.54 | 12.63 | 12.32 | 12.35 | 2080 | NYSE | AMRC | Tue, Oct 23, 2018 | 12.56 | 12.60 | 12.19 | 12.48 | 2079 | NYSE | AMRC | Mon, Oct 22, 2018 | 12.53 | 12.79 | 12.48 | 12.72 | 2078 | NYSE | AMRC | Fri, Oct 19, 2018 | 12.57 | 12.73 | 12.37 | 12.48 | 2077 | NYSE | AMRC | Thu, Oct 18, 2018 | 12.46 | 12.61 | 12.29 | 12.56 | 2076 | NYSE | AMRC | Wed, Oct 17, 2018 | 12.58 | 12.68 | 12.35 | 12.51 | 2075 | NYSE | AMRC | Tue, Oct 16, 2018 | 12.20 | 12.64 | 12.15 | 12.63 | 2074 | NYSE | AMRC | Mon, Oct 15, 2018 | 12.07 | 12.18 | 11.95 | 12.15 | 2073 | NYSE | AMRC | Fri, Oct 12, 2018 | 12.32 | 12.41 | 11.87 | 12.07 | 2072 | NYSE | AMRC | Thu, Oct 11, 2018 | 12.19 | 12.54 | 11.73 | 12.15 | 2071 | NYSE | AMRC | Wed, Oct 10, 2018 | 12.56 | 12.65 | 12.24 | 12.35 | 2070 | NYSE | AMRC | Tue, Oct 9, 2018 | 12.55 | 12.76 | 12.53 | 12.65 | 2069 | NYSE | AMRC | Mon, Oct 8, 2018 | 12.70 | 12.76 | 12.49 | 12.60 | 2068 | NYSE | AMRC | Fri, Oct 5, 2018 | 12.64 | 12.86 | 12.62 | 12.76 | 2067 | NYSE | AMRC | Thu, Oct 4, 2018 | 13.25 | 13.29 | 12.46 | 12.77 | 2066 | NYSE | AMRC | Wed, Oct 3, 2018 | 13.79 | 13.98 | 13.64 | 13.88 | 2065 | NYSE | AMRC | Tue, Oct 2, 2018 | 13.75 | 13.77 | 13.63 | 13.71 | 2064 | NYSE | AMRC | Mon, Oct 1, 2018 | 13.65 | 13.83 | 13.59 | 13.74 | 2063 | NYSE | AMRC | Fri, Sep 28, 2018 | 13.40 | 13.70 | 13.35 | 13.65 | 2062 | NYSE | AMRC | Thu, Sep 27, 2018 | 13.35 | 13.50 | 13.34 | 13.40 | 2061 | NYSE | AMRC | Wed, Sep 26, 2018 | 13.65 | 13.65 | 13.30 | 13.40 | 2060 | NYSE | AMRC | Tue, Sep 25, 2018 | 13.70 | 13.75 | 13.55 | 13.65 | 2059 | NYSE | AMRC | Mon, Sep 24, 2018 | 13.40 | 13.80 | 13.40 | 13.70 | 2058 | NYSE | AMRC | Fri, Sep 21, 2018 | 13.50 | 13.65 | 13.25 | 13.40 | 2057 | NYSE | AMRC | Thu, Sep 20, 2018 | 13.40 | 13.53 | 13.05 | 13.35 | 2056 | NYSE | AMRC | Wed, Sep 19, 2018 | 13.55 | 13.73 | 13.30 | 13.40 | 2055 | NYSE | AMRC | Tue, Sep 18, 2018 | 13.40 | 13.65 | 13.20 | 13.60 | 2054 | NYSE | AMRC | Mon, Sep 17, 2018 | 13.30 | 13.55 | 12.95 | 13.45 | 2053 | NYSE | AMRC | Fri, Sep 14, 2018 | 13.60 | 13.65 | 12.90 | 13.30 | 2052 | NYSE | AMRC | Thu, Sep 13, 2018 | 13.70 | 13.90 | 13.60 | 13.60 | 2051 | NYSE | AMRC | Wed, Sep 12, 2018 | 13.70 | 13.85 | 13.35 | 13.70 | 2050 | NYSE | AMRC | Tue, Sep 11, 2018 | 13.65 | 13.80 | 13.52 | 13.65 | 2049 | NYSE | AMRC | Mon, Sep 10, 2018 | 13.75 | 13.85 | 13.65 | 13.70 | 2048 | NYSE | AMRC | Fri, Sep 7, 2018 | 13.75 | 13.78 | 13.60 | 13.70 | 2047 | NYSE | AMRC | Thu, Sep 6, 2018 | 14.30 | 14.30 | 13.50 | 13.75 | 2046 | NYSE | AMRC | Wed, Sep 5, 2018 | 14.20 | 14.30 | 13.85 | 14.20 | 2045 | NYSE | AMRC | Tue, Sep 4, 2018 | 14.20 | 14.35 | 13.85 | 14.30 | 2044 | NYSE | AMRC | Fri, Aug 31, 2018 | 14.45 | 14.50 | 14.20 | 14.35 | 2043 | NYSE | AMRC | Thu, Aug 30, 2018 | 14.45 | 14.58 | 14.35 | 14.45 | 2042 | NYSE | AMRC | Wed, Aug 29, 2018 | 14.45 | 14.60 | 14.40 | 14.45 | 2041 | NYSE | AMRC | Tue, Aug 28, 2018 | 14.50 | 14.55 | 14.30 | 14.45 | 2040 | NYSE | AMRC | Mon, Aug 27, 2018 | 14.80 | 14.81 | 14.40 | 14.45 | 2039 | NYSE | AMRC | Fri, Aug 24, 2018 | 14.45 | 14.90 | 14.44 | 14.70 | 2038 | NYSE | AMRC | Thu, Aug 23, 2018 | 14.45 | 14.53 | 14.15 | 14.40 | 2037 | NYSE | AMRC | Wed, Aug 22, 2018 | 14.75 | 14.75 | 14.30 | 14.40 | 2036 | NYSE | AMRC | Tue, Aug 21, 2018 | 14.60 | 14.85 | 14.60 | 14.75 | 2035 | NYSE | AMRC | Mon, Aug 20, 2018 | 14.85 | 14.90 | 14.40 | 14.60 | 2034 | NYSE | AMRC | Fri, Aug 17, 2018 | 14.80 | 14.95 | 14.78 | 14.85 | 2033 | NYSE | AMRC | Thu, Aug 16, 2018 | 14.45 | 15.10 | 14.41 | 14.70 | 2032 | NYSE | AMRC | Wed, Aug 15, 2018 | 14.75 | 14.80 | 14.35 | 14.40 | 2031 | NYSE | AMRC | Tue, Aug 14, 2018 | 14.30 | 14.85 | 14.30 | 14.75 | 2030 | NYSE | AMRC | Mon, Aug 13, 2018 | 14.20 | 14.50 | 14.00 | 14.40 | 2029 | NYSE | AMRC | Fri, Aug 10, 2018 | 14.15 | 14.45 | 13.90 | 14.15 | 2028 | NYSE | AMRC | Thu, Aug 9, 2018 | 14.40 | 14.90 | 13.80 | 14.15 | 2027 | NYSE | AMRC | Wed, Aug 8, 2018 | 14.60 | 14.73 | 14.13 | 14.40 | 2026 | NYSE | AMRC | Tue, Aug 7, 2018 | 14.50 | 15.35 | 14.25 | 14.45 | 2025 | NYSE | AMRC | Mon, Aug 6, 2018 | 13.70 | 14.50 | 13.70 | 14.35 | 2024 | NYSE | AMRC | Fri, Aug 3, 2018 | 13.30 | 13.85 | 13.30 | 13.65 | 2023 | NYSE | AMRC | Thu, Aug 2, 2018 | 13.20 | 13.40 | 13.05 | 13.30 | 2022 | NYSE | AMRC | Wed, Aug 1, 2018 | 13.40 | 13.40 | 13.10 | 13.25 | 2021 | NYSE | AMRC | Tue, Jul 31, 2018 | 12.80 | 13.45 | 12.75 | 13.40 | 2020 | NYSE | AMRC | Mon, Jul 30, 2018 | 12.95 | 12.96 | 12.75 | 12.80 | 2019 | NYSE | AMRC | Fri, Jul 27, 2018 | 13.00 | 13.15 | 12.85 | 12.90 | 2018 | NYSE | AMRC | Thu, Jul 26, 2018 | 12.85 | 13.05 | 12.85 | 12.95 | 2017 | NYSE | AMRC | Wed, Jul 25, 2018 | 12.70 | 12.95 | 12.42 | 12.85 | 2016 | NYSE | AMRC | Tue, Jul 24, 2018 | 12.80 | 12.88 | 12.55 | 12.75 | 2015 | NYSE | AMRC | Mon, Jul 23, 2018 | 12.75 | 12.95 | 12.65 | 12.75 | 2014 | NYSE | AMRC | Fri, Jul 20, 2018 | 12.80 | 12.95 | 12.65 | 12.75 | 2013 | NYSE | AMRC | Thu, Jul 19, 2018 | 12.85 | 13.00 | 12.65 | 12.85 | 2012 | NYSE | AMRC | Wed, Jul 18, 2018 | 12.90 | 13.00 | 12.59 | 12.85 | 2011 | NYSE | AMRC | Tue, Jul 17, 2018 | 13.00 | 13.05 | 12.85 | 12.95 | 2010 | NYSE | AMRC | Mon, Jul 16, 2018 | 13.20 | 13.20 | 13.00 | 13.05 | 2009 | NYSE | AMRC | Fri, Jul 13, 2018 | 13.25 | 13.36 | 13.13 | 13.20 | 2008 | NYSE | AMRC | Thu, Jul 12, 2018 | 13.20 | 13.25 | 12.95 | 13.25 | 2007 | NYSE | AMRC | Wed, Jul 11, 2018 | 13.00 | 13.25 | 12.90 | 13.15 | 2006 | NYSE | AMRC | Tue, Jul 10, 2018 | 13.25 | 13.30 | 12.75 | 13.05 | 2005 | NYSE | AMRC | Mon, Jul 9, 2018 | 13.70 | 13.75 | 12.90 | 13.20 | 2004 | NYSE | AMRC | Fri, Jul 6, 2018 | 13.05 | 13.95 | 13.03 | 13.45 | 2003 | NYSE | AMRC | Thu, Jul 5, 2018 | 12.45 | 13.15 | 12.35 | 13.00 | 2002 | NYSE | AMRC | Tue, Jul 3, 2018 | 12.35 | 12.50 | 12.25 | 12.40 | 2001 | NYSE | AMRC | Mon, Jul 2, 2018 | 11.95 | 12.40 | 11.84 | 12.35 | 2000 | NYSE | AMRC | Fri, Jun 29, 2018 | 11.90 | 12.20 | 11.90 | 12.00 | 1999 | NYSE | AMRC | Thu, Jun 28, 2018 | 11.80 | 12.00 | 11.60 | 11.90 | 1998 | NYSE | AMRC | Wed, Jun 27, 2018 | 11.85 | 11.95 | 11.70 | 11.75 | 1997 | NYSE | AMRC | Tue, Jun 26, 2018 | 11.90 | 12.00 | 11.75 | 11.85 | 1996 | NYSE | AMRC | Mon, Jun 25, 2018 | 12.10 | 12.25 | 11.70 | 11.80 | 1995 | NYSE | AMRC | Fri, Jun 22, 2018 | 12.05 | 12.25 | 11.95 | 12.20 | 1994 | NYSE | AMRC | Thu, Jun 21, 2018 | 12.45 | 12.45 | 11.95 | 12.05 | 1993 | NYSE | AMRC | Wed, Jun 20, 2018 | 12.40 | 12.60 | 12.30 | 12.40 | 1992 | NYSE | AMRC | Tue, Jun 19, 2018 | 12.00 | 12.40 | 12.00 | 12.35 | 1991 | NYSE | AMRC | Mon, Jun 18, 2018 | 11.95 | 12.15 | 11.90 | 12.10 | 1990 | NYSE | AMRC | Fri, Jun 15, 2018 | 11.70 | 11.95 | 11.54 | 11.95 | 1989 | NYSE | AMRC | Thu, Jun 14, 2018 | 11.80 | 11.90 | 11.55 | 11.70 | 1988 | NYSE | AMRC | Wed, Jun 13, 2018 | 11.80 | 12.05 | 11.65 | 11.80 | 1987 | NYSE | AMRC | Tue, Jun 12, 2018 | 11.85 | 11.95 | 11.60 | 11.85 | 1986 | NYSE | AMRC | Mon, Jun 11, 2018 | 11.70 | 11.92 | 11.60 | 11.85 | 1985 | NYSE | AMRC | Fri, Jun 8, 2018 | 12.05 | 12.10 | 11.65 | 11.75 | 1984 | NYSE | AMRC | Thu, Jun 7, 2018 | 12.50 | 12.55 | 11.90 | 12.05 | 1983 | NYSE | AMRC | Wed, Jun 6, 2018 | 12.25 | 12.65 | 12.25 | 12.45 | 1982 | NYSE | AMRC | Tue, Jun 5, 2018 | 12.05 | 12.30 | 11.91 | 12.25 | 1981 | NYSE | AMRC | Mon, Jun 4, 2018 | 12.05 | 12.15 | 11.90 | 12.05 | 1980 | NYSE | AMRC | Fri, Jun 1, 2018 | 12.05 | 12.10 | 11.80 | 12.00 | 1979 | NYSE | AMRC | Thu, May 31, 2018 | 12.25 | 12.35 | 11.86 | 11.95 | 1978 | NYSE | AMRC | Wed, May 30, 2018 | 11.90 | 12.30 | 11.83 | 12.25 | 1977 | NYSE | AMRC | Tue, May 29, 2018 | 11.35 | 12.00 | 11.35 | 11.90 | 1976 | NYSE | AMRC | Fri, May 25, 2018 | 11.55 | 11.65 | 11.25 | 11.40 | 1975 | NYSE | AMRC | Thu, May 24, 2018 | 11.50 | 11.65 | 11.35 | 11.55 | 1974 | NYSE | AMRC | Wed, May 23, 2018 | 11.30 | 11.45 | 11.30 | 11.40 | 1973 | NYSE | AMRC | Tue, May 22, 2018 | 11.65 | 11.65 | 11.25 | 11.40 | 1972 | NYSE | AMRC | Mon, May 21, 2018 | 11.70 | 11.85 | 11.35 | 11.65 | 1971 | NYSE | AMRC | Fri, May 18, 2018 | 11.15 | 11.95 | 11.05 | 11.65 | 1970 | NYSE | AMRC | Thu, May 17, 2018 | 11.20 | 11.32 | 11.05 | 11.10 | 1969 | NYSE | AMRC | Wed, May 16, 2018 | 11.20 | 11.40 | 11.05 | 11.20 | 1968 | NYSE | AMRC | Tue, May 15, 2018 | 11.15 | 11.25 | 11.05 | 11.15 | 1967 | NYSE | AMRC | Mon, May 14, 2018 | 11.30 | 11.55 | 11.10 | 11.25 | 1966 | NYSE | AMRC | Fri, May 11, 2018 | 11.10 | 11.35 | 11.10 | 11.25 | 1965 | NYSE | AMRC | Thu, May 10, 2018 | 11.15 | 11.25 | 11.00 | 11.10 | 1964 | NYSE | AMRC | Wed, May 9, 2018 | 11.60 | 11.60 | 11.00 | 11.05 | 1963 | NYSE | AMRC | Tue, May 8, 2018 | 11.15 | 11.70 | 11.05 | 11.60 | 1962 | NYSE | AMRC | Mon, May 7, 2018 | 11.40 | 11.45 | 11.05 | 11.25 | 1961 | NYSE | AMRC | Fri, May 4, 2018 | 11.50 | 11.60 | 11.35 | 11.45 | 1960 | NYSE | AMRC | Thu, May 3, 2018 | 11.30 | 11.75 | 11.30 | 11.55 | 1959 | NYSE | AMRC | Wed, May 2, 2018 | 11.75 | 11.75 | 11.15 | 11.30 | 1958 | NYSE | AMRC | Tue, May 1, 2018 | 12.65 | 12.65 | 11.10 | 11.60 | 1957 | NYSE | AMRC | Mon, Apr 30, 2018 | 12.05 | 12.15 | 11.75 | 11.85 | 1956 | NYSE | AMRC | Fri, Apr 27, 2018 | 12.10 | 12.40 | 11.95 | 12.00 | 1955 | NYSE | AMRC | Thu, Apr 26, 2018 | 12.00 | 12.05 | 11.75 | 11.90 | 1954 | NYSE | AMRC | Wed, Apr 25, 2018 | 12.20 | 12.20 | 11.90 | 11.95 | 1953 | NYSE | AMRC | Tue, Apr 24, 2018 | 12.30 | 12.35 | 12.05 | 12.20 | 1952 | NYSE | AMRC | Mon, Apr 23, 2018 | 12.50 | 12.65 | 12.15 | 12.25 | 1951 | NYSE | AMRC | Fri, Apr 20, 2018 | 12.65 | 12.73 | 12.20 | 12.40 | 1950 | NYSE | AMRC | Thu, Apr 19, 2018 | 12.65 | 12.75 | 12.21 | 12.65 | 1949 | NYSE | AMRC | Wed, Apr 18, 2018 | 12.20 | 12.80 | 12.10 | 12.65 | 1948 | NYSE | AMRC | Tue, Apr 17, 2018 | 12.15 | 12.30 | 11.95 | 12.10 | 1947 | NYSE | AMRC | Mon, Apr 16, 2018 | 12.15 | 12.15 | 12.00 | 12.10 | 1946 | NYSE | AMRC | Fri, Apr 13, 2018 | 12.10 | 12.25 | 11.90 | 12.10 | 1945 | NYSE | AMRC | Thu, Apr 12, 2018 | 12.30 | 12.35 | 12.05 | 12.15 | 1944 | NYSE | AMRC | Wed, Apr 11, 2018 | 12.40 | 12.55 | 12.05 | 12.20 | 1943 | NYSE | AMRC | Tue, Apr 10, 2018 | 12.20 | 12.65 | 12.05 | 12.45 | 1942 | NYSE | AMRC | Mon, Apr 9, 2018 | 12.60 | 12.70 | 12.05 | 12.20 | 1941 | NYSE | AMRC | Fri, Apr 6, 2018 | 12.85 | 13.05 | 12.35 | 12.55 | 1940 | NYSE | AMRC | Thu, Apr 5, 2018 | 12.80 | 13.15 | 12.80 | 12.95 | 1939 | NYSE | AMRC | Wed, Apr 4, 2018 | 12.30 | 12.78 | 12.25 | 12.75 | 1938 | NYSE | AMRC | Tue, Apr 3, 2018 | 12.40 | 12.65 | 12.25 | 12.50 | 1937 | NYSE | AMRC | Mon, Apr 2, 2018 | 13.00 | 13.01 | 12.35 | 12.40 | 1936 | NYSE | AMRC | Thu, Mar 29, 2018 | 11.95 | 13.20 | 11.95 | 13.00 | 1935 | NYSE | AMRC | Wed, Mar 28, 2018 | 11.95 | 12.30 | 11.75 | 11.85 | 1934 | NYSE | AMRC | Tue, Mar 27, 2018 | 11.95 | 12.05 | 11.70 | 11.85 | 1933 | NYSE | AMRC | Mon, Mar 26, 2018 | 12.05 | 12.15 | 11.75 | 11.95 | 1932 | NYSE | AMRC | Fri, Mar 23, 2018 | 12.10 | 12.35 | 11.90 | 11.95 | 1931 | NYSE | AMRC | Thu, Mar 22, 2018 | 11.85 | 12.55 | 11.85 | 12.00 | 1930 | NYSE | AMRC | Wed, Mar 21, 2018 | 12.00 | 12.20 | 11.75 | 11.90 | 1929 | NYSE | AMRC | Tue, Mar 20, 2018 | 11.75 | 12.25 | 11.65 | 12.10 | 1928 | NYSE | AMRC | Mon, Mar 19, 2018 | 11.45 | 11.75 | 11.35 | 11.70 | 1927 | NYSE | AMRC | Fri, Mar 16, 2018 | 11.60 | 11.75 | 11.25 | 11.45 | 1926 | NYSE | AMRC | Thu, Mar 15, 2018 | 11.60 | 11.80 | 11.40 | 11.60 | 1925 | NYSE | AMRC | Wed, Mar 14, 2018 | 11.20 | 11.60 | 11.20 | 11.50 | 1924 | NYSE | AMRC | Tue, Mar 13, 2018 | 10.80 | 11.20 | 10.70 | 11.10 | 1923 | NYSE | AMRC | Mon, Mar 12, 2018 | 10.75 | 10.85 | 10.45 | 10.70 | 1922 | NYSE | AMRC | Fri, Mar 9, 2018 | 10.20 | 10.80 | 10.05 | 10.75 | 1921 | NYSE | AMRC | Thu, Mar 8, 2018 | 9.80 | 10.20 | 9.65 | 10.05 | 1920 | NYSE | AMRC | Wed, Mar 7, 2018 | 9.80 | 10.00 | 9.65 | 9.95 | 1919 | NYSE | AMRC | Tue, Mar 6, 2018 | 9.60 | 10.00 | 9.45 | 9.90 | 1918 | NYSE | AMRC | Mon, Mar 5, 2018 | 8.30 | 8.45 | 8.25 | 8.35 | 1917 | NYSE | AMRC | Fri, Mar 2, 2018 | 8.10 | 8.40 | 8.05 | 8.30 | 1916 | NYSE | AMRC | Thu, Mar 1, 2018 | 8.10 | 8.35 | 8.05 | 8.15 | 1915 | NYSE | AMRC | Wed, Feb 28, 2018 | 8.35 | 8.45 | 8.15 | 8.15 | 1914 | NYSE | AMRC | Tue, Feb 27, 2018 | 8.40 | 8.50 | 8.25 | 8.30 | 1913 | NYSE | AMRC | Mon, Feb 26, 2018 | 8.25 | 8.55 | 8.19 | 8.40 | 1912 | NYSE | AMRC | Fri, Feb 23, 2018 | 8.50 | 8.50 | 8.20 | 8.20 | 1911 | NYSE | AMRC | Thu, Feb 22, 2018 | 8.45 | 8.70 | 8.35 | 8.45 | 1910 | NYSE | AMRC | Wed, Feb 21, 2018 | 8.30 | 8.65 | 8.30 | 8.45 | 1909 | NYSE | AMRC | Tue, Feb 20, 2018 | 8.50 | 8.65 | 8.30 | 8.30 | 1908 | NYSE | AMRC | Fri, Feb 16, 2018 | 8.35 | 8.60 | 8.35 | 8.50 | 1907 | NYSE | AMRC | Thu, Feb 15, 2018 | 8.55 | 8.55 | 8.35 | 8.40 | 1906 | NYSE | AMRC | Wed, Feb 14, 2018 | 8.25 | 8.60 | 8.20 | 8.50 | 1905 | NYSE | AMRC | Tue, Feb 13, 2018 | 8.20 | 8.45 | 8.16 | 8.35 | 1904 | NYSE | AMRC | Mon, Feb 12, 2018 | 8.05 | 8.30 | 7.95 | 8.20 | 1903 | NYSE | AMRC | Fri, Feb 9, 2018 | 8.05 | 8.15 | 7.75 | 8.05 | 1902 | NYSE | AMRC | Thu, Feb 8, 2018 | 8.35 | 8.35 | 8.00 | 8.05 | 1901 | NYSE | AMRC | Wed, Feb 7, 2018 | 8.30 | 8.50 | 8.25 | 8.30 | 1900 | NYSE | AMRC | Tue, Feb 6, 2018 | 8.25 | 8.60 | 8.07 | 8.35 | 1899 | NYSE | AMRC | Mon, Feb 5, 2018 | 8.30 | 8.45 | 8.25 | 8.30 | 1898 | NYSE | AMRC | Fri, Feb 2, 2018 | 8.55 | 8.79 | 8.20 | 8.35 | 1897 | NYSE | AMRC | Thu, Feb 1, 2018 | 8.70 | 8.90 | 8.65 | 8.75 | 1896 | NYSE | AMRC | Wed, Jan 31, 2018 | 8.85 | 8.98 | 8.60 | 8.70 | 1895 | NYSE | AMRC | Tue, Jan 30, 2018 | 9.20 | 9.23 | 8.80 | 8.85 | 1894 | NYSE | AMRC | Mon, Jan 29, 2018 | 9.35 | 9.50 | 9.20 | 9.20 | 1893 | NYSE | AMRC | Fri, Jan 26, 2018 | 9.40 | 9.40 | 9.25 | 9.40 | 1892 | NYSE | AMRC | Thu, Jan 25, 2018 | 9.30 | 9.40 | 9.25 | 9.35 | 1891 | NYSE | AMRC | Wed, Jan 24, 2018 | 9.25 | 9.45 | 9.15 | 9.30 | 1890 | NYSE | AMRC | Tue, Jan 23, 2018 | 9.00 | 9.25 | 9.00 | 9.25 | 1889 | NYSE | AMRC | Mon, Jan 22, 2018 | 9.20 | 9.25 | 9.00 | 9.10 | 1888 | NYSE | AMRC | Fri, Jan 19, 2018 | 8.95 | 9.30 | 8.95 | 9.25 | 1887 | NYSE | AMRC | Thu, Jan 18, 2018 | 8.90 | 9.15 | 8.90 | 9.00 | 1886 | NYSE | AMRC | Wed, Jan 17, 2018 | 8.85 | 9.10 | 8.85 | 8.95 | 1885 | NYSE | AMRC | Tue, Jan 16, 2018 | 8.95 | 9.30 | 8.85 | 8.90 | 1884 | NYSE | AMRC | Fri, Jan 12, 2018 | 8.75 | 9.05 | 8.70 | 9.00 | 1883 | NYSE | AMRC | Thu, Jan 11, 2018 | 8.75 | 8.80 | 8.40 | 8.75 | 1882 | NYSE | AMRC | Wed, Jan 10, 2018 | 7.85 | 8.70 | 7.65 | 8.65 | 1881 | NYSE | AMRC | Tue, Jan 9, 2018 | 8.00 | 8.15 | 7.80 | 7.85 | 1880 | NYSE | AMRC | Mon, Jan 8, 2018 | 8.75 | 8.77 | 8.00 | 8.00 | 1879 | NYSE | AMRC | Fri, Jan 5, 2018 | 8.90 | 9.00 | 8.70 | 8.75 | 1878 | NYSE | AMRC | Thu, Jan 4, 2018 | 8.85 | 9.10 | 8.80 | 9.00 | 1877 | NYSE | AMRC | Wed, Jan 3, 2018 | 8.70 | 8.95 | 8.70 | 8.80 | 1876 | NYSE | AMRC | Tue, Jan 2, 2018 | 8.60 | 8.70 | 8.60 | 8.70 | 1875 | NYSE | AMRC | Fri, Dec 29, 2017 | 8.50 | 8.75 | 8.50 | 8.60 | 1874 | NYSE | AMRC | Thu, Dec 28, 2017 | 8.60 | 8.65 | 8.45 | 8.50 | 1873 | NYSE | AMRC | Wed, Dec 27, 2017 | 8.45 | 8.70 | 8.33 | 8.60 | 1872 | NYSE | AMRC | Tue, Dec 26, 2017 | 8.45 | 8.50 | 8.40 | 8.40 | 1871 | NYSE | AMRC | Fri, Dec 22, 2017 | 8.50 | 8.55 | 8.40 | 8.45 | 1870 | NYSE | AMRC | Thu, Dec 21, 2017 | 8.60 | 8.70 | 8.45 | 8.50 | 1869 | NYSE | AMRC | Wed, Dec 20, 2017 | 8.60 | 8.75 | 8.54 | 8.65 | 1868 | NYSE | AMRC | Tue, Dec 19, 2017 | 8.50 | 8.65 | 8.42 | 8.60 | 1867 | NYSE | AMRC | Mon, Dec 18, 2017 | 8.70 | 8.77 | 8.45 | 8.50 | 1866 | NYSE | AMRC | Fri, Dec 15, 2017 | 8.45 | 8.80 | 8.45 | 8.70 | 1865 | NYSE | AMRC | Thu, Dec 14, 2017 | 8.75 | 8.75 | 8.45 | 8.45 | 1864 | NYSE | AMRC | Wed, Dec 13, 2017 | 8.70 | 8.90 | 8.65 | 8.70 | 1863 | NYSE | AMRC | Tue, Dec 12, 2017 | 8.60 | 8.90 | 8.60 | 8.70 | 1862 | NYSE | AMRC | Mon, Dec 11, 2017 | 8.90 | 8.90 | 8.50 | 8.65 | 1861 | NYSE | AMRC | Fri, Dec 8, 2017 | 8.85 | 8.90 | 8.75 | 8.85 | 1860 | NYSE | AMRC | Thu, Dec 7, 2017 | 8.95 | 8.95 | 8.75 | 8.85 | 1859 | NYSE | AMRC | Wed, Dec 6, 2017 | 8.70 | 8.95 | 8.64 | 8.85 | 1858 | NYSE | AMRC | Tue, Dec 5, 2017 | 8.75 | 8.75 | 8.50 | 8.60 | 1857 | NYSE | AMRC | Mon, Dec 4, 2017 | 8.70 | 8.80 | 8.60 | 8.75 | 1856 | NYSE | AMRC | Fri, Dec 1, 2017 | 8.50 | 8.65 | 8.30 | 8.60 | 1855 | NYSE | AMRC | Thu, Nov 30, 2017 | 8.75 | 8.75 | 8.50 | 8.50 | 1854 | NYSE | AMRC | Wed, Nov 29, 2017 | 8.70 | 8.80 | 8.60 | 8.70 | 1853 | NYSE | AMRC | Tue, Nov 28, 2017 | 8.55 | 8.75 | 8.50 | 8.65 | 1852 | NYSE | AMRC | Mon, Nov 27, 2017 | 8.35 | 8.60 | 8.30 | 8.55 | 1851 | NYSE | AMRC | Fri, Nov 24, 2017 | 8.40 | 8.45 | 8.30 | 8.40 | 1850 | NYSE | AMRC | Wed, Nov 22, 2017 | 8.50 | 8.60 | 8.35 | 8.40 | 1849 | NYSE | AMRC | Tue, Nov 21, 2017 | 8.60 | 8.80 | 8.45 | 8.50 | 1848 | NYSE | AMRC | Mon, Nov 20, 2017 | 8.40 | 8.50 | 8.40 | 8.50 | 1847 | NYSE | AMRC | Fri, Nov 17, 2017 | 8.40 | 8.50 | 8.30 | 8.40 | 1846 | NYSE | AMRC | Thu, Nov 16, 2017 | 8.25 | 8.50 | 8.15 | 8.50 | 1845 | NYSE | AMRC | Wed, Nov 15, 2017 | 8.45 | 8.47 | 8.15 | 8.20 | 1844 | NYSE | AMRC | Tue, Nov 14, 2017 | 8.75 | 8.75 | 8.50 | 8.50 | 1843 | NYSE | AMRC | Mon, Nov 13, 2017 | 8.75 | 8.75 | 8.65 | 8.70 | 1842 | NYSE | AMRC | Fri, Nov 10, 2017 | 8.75 | 8.75 | 8.40 | 8.70 | 1841 | NYSE | AMRC | Thu, Nov 9, 2017 | 8.65 | 8.80 | 8.53 | 8.70 | 1840 | NYSE | AMRC | Wed, Nov 8, 2017 | 8.65 | 8.80 | 8.45 | 8.70 | 1839 | NYSE | AMRC | Tue, Nov 7, 2017 | 8.70 | 8.75 | 8.40 | 8.70 | 1838 | NYSE | AMRC | Mon, Nov 6, 2017 | 8.00 | 8.80 | 7.87 | 8.70 | 1837 | NYSE | AMRC | Fri, Nov 3, 2017 | 8.00 | 8.00 | 7.85 | 7.85 | 1836 | NYSE | AMRC | Thu, Nov 2, 2017 | 7.95 | 8.05 | 7.90 | 8.00 | 1835 | NYSE | AMRC | Wed, Nov 1, 2017 | 7.80 | 8.00 | 7.75 | 7.95 | 1834 | NYSE | AMRC | Tue, Oct 31, 2017 | 7.70 | 7.80 | 7.65 | 7.70 | 1833 | NYSE | AMRC | Mon, Oct 30, 2017 | 8.00 | 8.05 | 7.75 | 7.80 | 1832 | NYSE | AMRC | Fri, Oct 27, 2017 | 8.00 | 8.03 | 7.85 | 8.00 | 1831 | NYSE | AMRC | Thu, Oct 26, 2017 | 7.75 | 8.00 | 7.60 | 8.00 | 1830 | NYSE | AMRC | Wed, Oct 25, 2017 | 7.70 | 7.75 | 7.60 | 7.70 | 1829 | NYSE | AMRC | Tue, Oct 24, 2017 | 7.70 | 7.85 | 7.60 | 7.75 | 1828 | NYSE | AMRC | Mon, Oct 23, 2017 | 7.65 | 7.70 | 7.60 | 7.65 | 1827 | NYSE | AMRC | Fri, Oct 20, 2017 | 7.80 | 7.80 | 7.60 | 7.70 | 1826 | NYSE | AMRC | Thu, Oct 19, 2017 | 7.60 | 7.75 | 7.55 | 7.75 | 1825 | NYSE | AMRC | Wed, Oct 18, 2017 | 7.70 | 7.80 | 7.55 | 7.70 | 1824 | NYSE | AMRC | Tue, Oct 17, 2017 | 7.75 | 7.80 | 7.65 | 7.80 | 1823 | NYSE | AMRC | Mon, Oct 16, 2017 | 7.85 | 7.90 | 7.75 | 7.85 | 1822 | NYSE | AMRC | Fri, Oct 13, 2017 | 7.95 | 7.95 | 7.80 | 7.90 | 1821 | NYSE | AMRC | Thu, Oct 12, 2017 | 7.80 | 7.95 | 7.80 | 7.95 | 1820 | NYSE | AMRC | Wed, Oct 11, 2017 | 7.95 | 7.95 | 7.85 | 7.90 | 1819 | NYSE | AMRC | Tue, Oct 10, 2017 | 7.90 | 8.00 | 7.80 | 7.95 | 1818 | NYSE | AMRC | Mon, Oct 9, 2017 | 7.90 | 7.95 | 7.80 | 7.85 | 1817 | NYSE | AMRC | Fri, Oct 6, 2017 | 7.90 | 7.90 | 7.75 | 7.85 | 1816 | NYSE | AMRC | Thu, Oct 5, 2017 | 7.95 | 8.00 | 7.85 | 7.95 | 1815 | NYSE | AMRC | Wed, Oct 4, 2017 | 7.95 | 7.98 | 7.90 | 7.95 | 1814 | NYSE | AMRC | Tue, Oct 3, 2017 | 7.90 | 8.00 | 7.85 | 7.90 | 1813 | NYSE | AMRC | Mon, Oct 2, 2017 | 7.75 | 7.80 | 7.55 | 7.80 | 1812 | NYSE | AMRC | Fri, Sep 29, 2017 | 7.75 | 7.95 | 7.70 | 7.80 | 1811 | NYSE | AMRC | Thu, Sep 28, 2017 | 7.95 | 7.95 | 7.75 | 7.85 | 1810 | NYSE | AMRC | Wed, Sep 27, 2017 | 7.95 | 8.00 | 7.65 | 7.95 | 1809 | NYSE | AMRC | Tue, Sep 26, 2017 | 7.70 | 7.95 | 7.65 | 7.95 | 1808 | NYSE | AMRC | Mon, Sep 25, 2017 | 7.75 | 7.80 | 7.60 | 7.65 | 1807 | NYSE | AMRC | Fri, Sep 22, 2017 | 7.65 | 7.85 | 7.60 | 7.75 | 1806 | NYSE | AMRC | Thu, Sep 21, 2017 | 7.50 | 7.65 | 7.43 | 7.60 | 1805 | NYSE | AMRC | Wed, Sep 20, 2017 | 7.60 | 7.70 | 7.50 | 7.55 | 1804 | NYSE | AMRC | Tue, Sep 19, 2017 | 7.45 | 7.70 | 7.30 | 7.65 | 1803 | NYSE | AMRC | Mon, Sep 18, 2017 | 7.35 | 7.45 | 7.35 | 7.45 | 1802 | NYSE | AMRC | Fri, Sep 15, 2017 | 7.40 | 7.45 | 7.30 | 7.35 | 1801 | NYSE | AMRC | Thu, Sep 14, 2017 | 7.30 | 7.40 | 7.20 | 7.35 | 1800 | NYSE | AMRC | Wed, Sep 13, 2017 | 7.30 | 7.35 | 7.25 | 7.35 | 1799 | NYSE | AMRC | Tue, Sep 12, 2017 | 7.30 | 7.35 | 7.15 | 7.30 | 1798 | NYSE | AMRC | Mon, Sep 11, 2017 | 7.25 | 7.30 | 7.25 | 7.30 | 1797 | NYSE | AMRC | Fri, Sep 8, 2017 | 7.20 | 7.30 | 7.15 | 7.25 | 1796 | NYSE | AMRC | Thu, Sep 7, 2017 | 7.30 | 7.30 | 7.18 | 7.30 | 1795 | NYSE | AMRC | Wed, Sep 6, 2017 | 7.30 | 7.30 | 7.20 | 7.30 | 1794 | NYSE | AMRC | Tue, Sep 5, 2017 | 7.25 | 7.30 | 7.25 | 7.30 | 1793 | NYSE | AMRC | Fri, Sep 1, 2017 | 7.25 | 7.35 | 7.20 | 7.30 | 1792 | NYSE | AMRC | Thu, Aug 31, 2017 | 7.30 | 7.35 | 7.25 | 7.25 | 1791 | NYSE | AMRC | Wed, Aug 30, 2017 | 7.40 | 7.40 | 7.20 | 7.30 | 1790 | NYSE | AMRC | Tue, Aug 29, 2017 | 7.15 | 7.45 | 7.10 | 7.35 | 1789 | NYSE | AMRC | Mon, Aug 28, 2017 | 7.10 | 7.30 | 7.08 | 7.15 | 1788 | NYSE | AMRC | Fri, Aug 25, 2017 | 7.10 | 7.10 | 7.00 | 7.05 | 1787 | NYSE | AMRC | Thu, Aug 24, 2017 | 7.10 | 7.10 | 7.00 | 7.05 | 1786 | NYSE | AMRC | Wed, Aug 23, 2017 | 7.05 | 7.15 | 7.05 | 7.10 | 1785 | NYSE | AMRC | Tue, Aug 22, 2017 | 7.05 | 7.20 | 7.05 | 7.15 | 1784 | NYSE | AMRC | Mon, Aug 21, 2017 | 7.05 | 7.05 | 6.95 | 7.00 | 1783 | NYSE | AMRC | Fri, Aug 18, 2017 | 6.95 | 7.10 | 6.95 | 7.00 | 1782 | NYSE | AMRC | Thu, Aug 17, 2017 | 6.95 | 7.10 | 6.88 | 6.95 | 1781 | NYSE | AMRC | Wed, Aug 16, 2017 | 7.00 | 7.05 | 6.95 | 7.00 | 1780 | NYSE | AMRC | Tue, Aug 15, 2017 | 6.95 | 7.05 | 6.80 | 7.00 | 1779 | NYSE | AMRC | Mon, Aug 14, 2017 | 6.85 | 7.00 | 6.80 | 7.00 | 1778 | NYSE | AMRC | Fri, Aug 11, 2017 | 6.40 | 6.90 | 6.30 | 6.80 | 1777 | NYSE | AMRC | Thu, Aug 10, 2017 | 6.80 | 6.95 | 6.75 | 6.85 | 1776 | NYSE | AMRC | Wed, Aug 9, 2017 | 6.60 | 6.75 | 6.50 | 6.65 | 1775 | NYSE | AMRC | Tue, Aug 8, 2017 | 6.25 | 6.55 | 6.25 | 6.25 | 1774 | NYSE | AMRC | Mon, Aug 7, 2017 | 6.50 | 6.50 | 6.30 | 6.35 | 1773 | NYSE | AMRC | Fri, Aug 4, 2017 | 6.50 | 6.55 | 6.45 | 6.50 | 1772 | NYSE | AMRC | Thu, Aug 3, 2017 | 6.55 | 6.60 | 6.45 | 6.45 | 1771 | NYSE | AMRC | Wed, Aug 2, 2017 | 6.60 | 6.68 | 6.55 | 6.60 | 1770 | NYSE | AMRC | Tue, Aug 1, 2017 | 6.55 | 6.65 | 6.50 | 6.60 | 1769 | NYSE | AMRC | Mon, Jul 31, 2017 | 6.50 | 6.65 | 6.45 | 6.55 | 1768 | NYSE | AMRC | Fri, Jul 28, 2017 | 6.50 | 6.55 | 6.48 | 6.50 | 1767 | NYSE | AMRC | Thu, Jul 27, 2017 | 6.50 | 6.60 | 6.50 | 6.50 | 1766 | NYSE | AMRC | Wed, Jul 26, 2017 | 6.60 | 6.72 | 6.50 | 6.50 | 1765 | NYSE | AMRC | Tue, Jul 25, 2017 | 6.45 | 6.75 | 6.40 | 6.60 | 1764 | NYSE | AMRC | Mon, Jul 24, 2017 | 6.10 | 6.60 | 6.10 | 6.50 | 1763 | NYSE | AMRC | Fri, Jul 21, 2017 | 6.25 | 6.90 | 5.25 | 6.60 | 1762 | NYSE | AMRC | Thu, Jul 20, 2017 | 6.80 | 6.95 | 6.75 | 6.95 | 1761 | NYSE | AMRC | Wed, Jul 19, 2017 | 7.10 | 7.15 | 6.70 | 6.80 | 1760 | NYSE | AMRC | Tue, Jul 18, 2017 | 7.10 | 7.25 | 7.05 | 7.10 | 1759 | NYSE | AMRC | Mon, Jul 17, 2017 | 6.95 | 7.20 | 6.95 | 7.10 | 1758 | NYSE | AMRC | Fri, Jul 14, 2017 | 7.00 | 7.10 | 7.00 | 7.00 | 1757 | NYSE | AMRC | Thu, Jul 13, 2017 | 7.05 | 7.10 | 7.00 | 7.00 | 1756 | NYSE | AMRC | Wed, Jul 12, 2017 | 7.00 | 7.10 | 6.98 | 7.10 | 1755 | NYSE | AMRC | Tue, Jul 11, 2017 | 6.90 | 6.98 | 6.83 | 6.90 | 1754 | NYSE | AMRC | Mon, Jul 10, 2017 | 7.05 | 7.18 | 6.90 | 6.90 | 1753 | NYSE | AMRC | Fri, Jul 7, 2017 | 7.05 | 7.20 | 7.00 | 7.15 | 1752 | NYSE | AMRC | Thu, Jul 6, 2017 | 7.15 | 7.20 | 7.05 | 7.05 | 1751 | NYSE | AMRC | Wed, Jul 5, 2017 | 7.50 | 7.50 | 7.05 | 7.20 | 1750 | NYSE | AMRC | Mon, Jul 3, 2017 | 7.75 | 7.85 | 7.55 | 7.55 | 1749 | NYSE | AMRC | Fri, Jun 30, 2017 | 7.45 | 7.75 | 7.35 | 7.70 | 1748 | NYSE | AMRC | Thu, Jun 29, 2017 | 7.40 | 7.55 | 7.30 | 7.46 | 1747 | NYSE | AMRC | Wed, Jun 28, 2017 | 7.55 | 7.55 | 7.15 | 7.35 | 1746 | NYSE | AMRC | Tue, Jun 27, 2017 | 7.15 | 7.60 | 7.08 | 7.55 | 1745 | NYSE | AMRC | Mon, Jun 26, 2017 | 7.05 | 7.15 | 7.00 | 7.15 | 1744 | NYSE | AMRC | Fri, Jun 23, 2017 | 6.95 | 7.13 | 6.90 | 7.00 | 1743 | NYSE | AMRC | Thu, Jun 22, 2017 | 6.70 | 6.95 | 6.70 | 6.95 | 1742 | NYSE | AMRC | Wed, Jun 21, 2017 | 6.75 | 6.85 | 6.66 | 6.75 | 1741 | NYSE | AMRC | Tue, Jun 20, 2017 | 6.75 | 6.90 | 6.60 | 6.80 | 1740 | NYSE | AMRC | Mon, Jun 19, 2017 | 6.75 | 6.88 | 6.65 | 6.85 | 1739 | NYSE | AMRC | Fri, Jun 16, 2017 | 6.65 | 6.83 | 6.60 | 6.80 | 1738 | NYSE | AMRC | Thu, Jun 15, 2017 | 6.65 | 6.85 | 6.65 | 6.80 | 1737 | NYSE | AMRC | Wed, Jun 14, 2017 | 6.85 | 6.88 | 6.70 | 6.70 | 1736 | NYSE | AMRC | Tue, Jun 13, 2017 | 6.80 | 6.88 | 6.75 | 6.85 | 1735 | NYSE | AMRC | Mon, Jun 12, 2017 | 6.90 | 7.00 | 6.70 | 6.80 | 1734 | NYSE | AMRC | Fri, Jun 9, 2017 | 6.65 | 6.98 | 6.65 | 6.85 | 1733 | NYSE | AMRC | Thu, Jun 8, 2017 | 6.70 | 6.85 | 6.60 | 6.65 | 1732 | NYSE | AMRC | Wed, Jun 7, 2017 | 6.95 | 6.95 | 6.70 | 6.75 | 1731 | NYSE | AMRC | Tue, Jun 6, 2017 | 6.90 | 7.00 | 6.80 | 7.00 | 1730 | NYSE | AMRC | Mon, Jun 5, 2017 | 7.05 | 7.15 | 6.95 | 7.00 | 1729 | NYSE | AMRC | Fri, Jun 2, 2017 | 6.85 | 7.10 | 6.70 | 7.05 | 1728 | NYSE | AMRC | Thu, Jun 1, 2017 | 7.00 | 7.00 | 6.60 | 6.80 | 1727 | NYSE | AMRC | Wed, May 31, 2017 | 6.55 | 6.90 | 6.55 | 6.90 | 1726 | NYSE | AMRC | Tue, May 30, 2017 | 6.80 | 6.85 | 6.50 | 6.60 | 1725 | NYSE | AMRC | Fri, May 26, 2017 | 7.20 | 7.20 | 6.85 | 6.85 | 1724 | NYSE | AMRC | Thu, May 25, 2017 | 7.00 | 7.25 | 7.00 | 7.20 | 1723 | NYSE | AMRC | Wed, May 24, 2017 | 6.85 | 7.00 | 6.75 | 7.00 | 1722 | NYSE | AMRC | Tue, May 23, 2017 | 6.80 | 6.90 | 6.73 | 6.85 | 1721 | NYSE | AMRC | Mon, May 22, 2017 | 6.70 | 6.80 | 6.60 | 6.75 | 1720 | NYSE | AMRC | Fri, May 19, 2017 | 6.48 | 6.75 | 6.48 | 6.70 | 1719 | NYSE | AMRC | Thu, May 18, 2017 | 6.45 | 6.75 | 6.35 | 6.60 | 1718 | NYSE | AMRC | Wed, May 17, 2017 | 6.70 | 6.70 | 6.40 | 6.45 | 1717 | NYSE | AMRC | Tue, May 16, 2017 | 6.75 | 6.75 | 6.60 | 6.70 | 1716 | NYSE | AMRC | Mon, May 15, 2017 | 6.55 | 6.80 | 6.50 | 6.75 | 1715 | NYSE | AMRC | Fri, May 12, 2017 | 6.60 | 6.65 | 6.50 | 6.50 | 1714 | NYSE | AMRC | Thu, May 11, 2017 | 6.90 | 6.95 | 6.65 | 6.70 | 1713 | NYSE | AMRC | Wed, May 10, 2017 | 7.00 | 7.00 | 6.85 | 6.85 | 1712 | NYSE | AMRC | Tue, May 9, 2017 | 6.95 | 7.05 | 6.85 | 7.00 | 1711 | NYSE | AMRC | Mon, May 8, 2017 | 6.90 | 6.95 | 6.80 | 6.90 | 1710 | NYSE | AMRC | Fri, May 5, 2017 | 6.90 | 6.95 | 6.65 | 6.85 | 1709 | NYSE | AMRC | Thu, May 4, 2017 | 6.80 | 6.85 | 6.60 | 6.80 | 1708 | NYSE | AMRC | Wed, May 3, 2017 | 6.20 | 6.70 | 5.96 | 6.55 | 1707 | NYSE | AMRC | Tue, May 2, 2017 | 6.95 | 6.95 | 5.70 | 6.40 | 1706 | NYSE | AMRC | Mon, May 1, 2017 | 6.45 | 6.55 | 6.35 | 6.40 | 1705 | NYSE | AMRC | Fri, Apr 28, 2017 | 6.55 | 6.65 | 6.45 | 6.45 | 1704 | NYSE | AMRC | Thu, Apr 27, 2017 | 6.60 | 6.70 | 6.45 | 6.55 | 1703 | NYSE | AMRC | Wed, Apr 26, 2017 | 6.30 | 6.65 | 6.30 | 6.60 | 1702 | NYSE | AMRC | Tue, Apr 25, 2017 | 6.50 | 6.63 | 6.25 | 6.30 | 1701 | NYSE | AMRC | Mon, Apr 24, 2017 | 6.40 | 6.50 | 6.35 | 6.50 | 1700 | NYSE | AMRC | Fri, Apr 21, 2017 | 6.35 | 6.50 | 6.35 | 6.45 | 1699 | NYSE | AMRC | Thu, Apr 20, 2017 | 6.30 | 6.40 | 6.30 | 6.40 | 1698 | NYSE | AMRC | Wed, Apr 19, 2017 | 6.30 | 6.40 | 6.25 | 6.25 | 1697 | NYSE | AMRC | Tue, Apr 18, 2017 | 6.35 | 6.45 | 6.05 | 6.20 | 1696 | NYSE | AMRC | Mon, Apr 17, 2017 | 6.35 | 6.45 | 6.25 | 6.45 | 1695 | NYSE | AMRC | Thu, Apr 13, 2017 | 6.40 | 6.45 | 6.20 | 6.20 | 1694 | NYSE | AMRC | Wed, Apr 12, 2017 | 6.55 | 6.55 | 6.30 | 6.45 | 1693 | NYSE | AMRC | Tue, Apr 11, 2017 | 6.30 | 6.60 | 6.25 | 6.55 | 1692 | NYSE | AMRC | Mon, Apr 10, 2017 | 6.20 | 6.50 | 6.20 | 6.35 | 1691 | NYSE | AMRC | Fri, Apr 7, 2017 | 6.25 | 6.35 | 6.18 | 6.20 | 1690 | NYSE | AMRC | Thu, Apr 6, 2017 | 6.35 | 6.35 | 6.10 | 6.20 | 1689 | NYSE | AMRC | Wed, Apr 5, 2017 | 6.40 | 6.45 | 6.30 | 6.35 | 1688 | NYSE | AMRC | Tue, Apr 4, 2017 | 6.40 | 6.45 | 6.05 | 6.35 | 1687 | NYSE | AMRC | Mon, Apr 3, 2017 | 6.45 | 6.70 | 6.40 | 6.45 | 1686 | NYSE | AMRC | Fri, Mar 31, 2017 | 6.10 | 6.55 | 6.10 | 6.55 | 1685 | NYSE | AMRC | Thu, Mar 30, 2017 | 6.10 | 6.18 | 6.00 | 6.10 | 1684 | NYSE | AMRC | Wed, Mar 29, 2017 | 6.00 | 6.10 | 5.95 | 6.05 | 1683 | NYSE | AMRC | Tue, Mar 28, 2017 | 5.90 | 6.10 | 5.86 | 6.00 | 1682 | NYSE | AMRC | Mon, Mar 27, 2017 | 5.70 | 5.95 | 5.60 | 5.90 | 1681 | NYSE | AMRC | Fri, Mar 24, 2017 | 5.80 | 5.90 | 5.80 | 5.85 | 1680 | NYSE | AMRC | Thu, Mar 23, 2017 | 5.70 | 5.90 | 5.70 | 5.80 | 1679 | NYSE | AMRC | Wed, Mar 22, 2017 | 5.70 | 5.75 | 5.60 | 5.65 | 1678 | NYSE | AMRC | Tue, Mar 21, 2017 | 6.10 | 6.10 | 5.75 | 5.75 | 1677 | NYSE | AMRC | Mon, Mar 20, 2017 | 6.00 | 6.10 | 6.00 | 6.10 | 1676 | NYSE | AMRC | Fri, Mar 17, 2017 | 5.95 | 6.10 | 5.90 | 6.00 | 1675 | NYSE | AMRC | Thu, Mar 16, 2017 | 6.00 | 6.05 | 5.90 | 6.00 | 1674 | NYSE | AMRC | Wed, Mar 15, 2017 | 5.85 | 6.05 | 5.85 | 6.00 | 1673 | NYSE | AMRC | Tue, Mar 14, 2017 | 5.75 | 5.95 | 5.60 | 5.85 | 1672 | NYSE | AMRC | Mon, Mar 13, 2017 | 5.55 | 5.80 | 5.50 | 5.75 | 1671 | NYSE | AMRC | Fri, Mar 10, 2017 | 5.80 | 5.80 | 5.60 | 5.60 | 1670 | NYSE | AMRC | Thu, Mar 9, 2017 | 5.90 | 5.90 | 5.80 | 5.80 | 1669 | NYSE | AMRC | Wed, Mar 8, 2017 | 5.95 | 6.00 | 5.95 | 5.95 | 1668 | NYSE | AMRC | Tue, Mar 7, 2017 | 6.10 | 6.10 | 5.95 | 5.95 | 1667 | NYSE | AMRC | Mon, Mar 6, 2017 | 6.00 | 6.10 | 5.95 | 6.05 | 1666 | NYSE | AMRC | Fri, Mar 3, 2017 | 5.90 | 6.20 | 5.80 | 6.00 | 1665 | NYSE | AMRC | Thu, Mar 2, 2017 | 5.65 | 6.20 | 5.65 | 6.10 | 1664 | NYSE | AMRC | Wed, Mar 1, 2017 | 5.20 | 5.30 | 5.20 | 5.20 | 1663 | NYSE | AMRC | Tue, Feb 28, 2017 | 5.40 | 5.43 | 5.05 | 5.05 | 1662 | NYSE | AMRC | Mon, Feb 27, 2017 | 5.00 | 5.50 | 5.00 | 5.40 | 1661 | NYSE | AMRC | Fri, Feb 24, 2017 | 5.00 | 5.20 | 5.00 | 5.00 | 1660 | NYSE | AMRC | Thu, Feb 23, 2017 | 5.20 | 5.20 | 5.00 | 5.05 | 1659 | NYSE | AMRC | Wed, Feb 22, 2017 | 5.35 | 5.43 | 5.15 | 5.20 | 1658 | NYSE | AMRC | Tue, Feb 21, 2017 | 5.50 | 5.55 | 5.40 | 5.40 | 1657 | NYSE | AMRC | Fri, Feb 17, 2017 | 5.35 | 5.50 | 5.30 | 5.50 | 1656 | NYSE | AMRC | Thu, Feb 16, 2017 | 5.20 | 5.35 | 5.20 | 5.30 | 1655 | NYSE | AMRC | Wed, Feb 15, 2017 | 4.90 | 5.25 | 4.90 | 5.25 | 1654 | NYSE | AMRC | Tue, Feb 14, 2017 | 5.15 | 5.15 | 4.90 | 4.90 | 1653 | NYSE | AMRC | Mon, Feb 13, 2017 | 5.05 | 5.20 | 5.05 | 5.20 | 1652 | NYSE | AMRC | Fri, Feb 10, 2017 | 5.05 | 5.10 | 5.00 | 5.05 | 1651 | NYSE | AMRC | Thu, Feb 9, 2017 | 4.85 | 5.00 | 4.80 | 4.95 | 1650 | NYSE | AMRC | Wed, Feb 8, 2017 | 4.95 | 5.00 | 4.85 | 4.85 | 1649 | NYSE | AMRC | Tue, Feb 7, 2017 | 5.05 | 5.15 | 4.95 | 4.95 | 1648 | NYSE | AMRC | Mon, Feb 6, 2017 | 5.10 | 5.20 | 5.05 | 5.05 | 1647 | NYSE | AMRC | Fri, Feb 3, 2017 | 5.10 | 5.23 | 5.05 | 5.15 | 1646 | NYSE | AMRC | Thu, Feb 2, 2017 | 5.10 | 5.25 | 5.05 | 5.05 | 1645 | NYSE | AMRC | Wed, Feb 1, 2017 | 5.20 | 5.30 | 5.15 | 5.15 | 1644 | NYSE | AMRC | Tue, Jan 31, 2017 | 5.25 | 5.30 | 5.10 | 5.20 | 1643 | NYSE | AMRC | Mon, Jan 30, 2017 | 5.45 | 5.45 | 5.25 | 5.25 | 1642 | NYSE | AMRC | Fri, Jan 27, 2017 | 5.55 | 5.60 | 5.50 | 5.55 | 1641 | NYSE | AMRC | Thu, Jan 26, 2017 | 5.60 | 5.60 | 5.50 | 5.60 | 1640 | NYSE | AMRC | Wed, Jan 25, 2017 | 5.50 | 5.60 | 5.50 | 5.55 | 1639 | NYSE | AMRC | Tue, Jan 24, 2017 | 5.20 | 5.50 | 5.20 | 5.50 | 1638 | NYSE | AMRC | Mon, Jan 23, 2017 | 5.50 | 5.50 | 5.25 | 5.25 | 1637 | NYSE | AMRC | Fri, Jan 20, 2017 | 5.20 | 5.45 | 5.20 | 5.40 | 1636 | NYSE | AMRC | Thu, Jan 19, 2017 | 4.95 | 5.30 | 4.95 | 5.15 | 1635 | NYSE | AMRC | Wed, Jan 18, 2017 | 4.90 | 5.10 | 4.90 | 4.95 | 1634 | NYSE | AMRC | Tue, Jan 17, 2017 | 5.00 | 5.05 | 4.90 | 4.90 | 1633 | NYSE | AMRC | Fri, Jan 13, 2017 | 5.05 | 5.20 | 5.00 | 5.05 | 1632 | NYSE | AMRC | Thu, Jan 12, 2017 | 5.10 | 5.20 | 5.05 | 5.05 | 1631 | NYSE | AMRC | Wed, Jan 11, 2017 | 5.20 | 5.25 | 5.15 | 5.15 | 1630 | NYSE | AMRC | Tue, Jan 10, 2017 | 5.25 | 5.30 | 5.20 | 5.23 | 1629 | NYSE | AMRC | Mon, Jan 9, 2017 | 5.40 | 5.53 | 5.25 | 5.25 | 1628 | NYSE | AMRC | Fri, Jan 6, 2017 | 5.50 | 5.60 | 5.40 | 5.40 | 1627 | NYSE | AMRC | Thu, Jan 5, 2017 | 5.70 | 5.75 | 5.50 | 5.50 | 1626 | NYSE | AMRC | Wed, Jan 4, 2017 | 5.75 | 5.80 | 5.70 | 5.70 | 1625 | NYSE | AMRC | Tue, Jan 3, 2017 | 5.65 | 5.80 | 5.55 | 5.65 | 1624 | NYSE | AMRC | Fri, Dec 30, 2016 | 5.55 | 5.56 | 5.45 | 5.50 | 1623 | NYSE | AMRC | Thu, Dec 29, 2016 | 5.85 | 6.00 | 5.45 | 5.50 | 1622 | NYSE | AMRC | Wed, Dec 28, 2016 | 6.00 | 6.00 | 5.80 | 5.85 | 1621 | NYSE | AMRC | Tue, Dec 27, 2016 | 6.05 | 6.10 | 5.95 | 6.00 | 1620 | NYSE | AMRC | Fri, Dec 23, 2016 | 6.10 | 6.10 | 6.00 | 6.10 | 1619 | NYSE | AMRC | Thu, Dec 22, 2016 | 6.10 | 6.15 | 5.90 | 6.10 | 1618 | NYSE | AMRC | Wed, Dec 21, 2016 | 6.15 | 6.25 | 6.10 | 6.20 | 1617 | NYSE | AMRC | Tue, Dec 20, 2016 | 6.15 | 6.30 | 6.15 | 6.30 | 1616 | NYSE | AMRC | Mon, Dec 19, 2016 | 6.20 | 6.25 | 6.10 | 6.20 | 1615 | NYSE | AMRC | Fri, Dec 16, 2016 | 6.10 | 6.20 | 6.05 | 6.10 | 1614 | NYSE | AMRC | Thu, Dec 15, 2016 | 6.20 | 6.27 | 6.05 | 6.05 | 1613 | NYSE | AMRC | Wed, Dec 14, 2016 | 6.15 | 6.28 | 6.13 | 6.15 | 1612 | NYSE | AMRC | Tue, Dec 13, 2016 | 6.15 | 6.20 | 6.05 | 6.15 | 1611 | NYSE | AMRC | Mon, Dec 12, 2016 | 6.10 | 6.20 | 6.05 | 6.10 | 1610 | NYSE | AMRC | Fri, Dec 9, 2016 | 6.15 | 6.25 | 6.06 | 6.15 | 1609 | NYSE | AMRC | Thu, Dec 8, 2016 | 5.90 | 6.10 | 5.85 | 6.10 | 1608 | NYSE | AMRC | Wed, Dec 7, 2016 | 5.95 | 6.00 | 5.95 | 5.95 | 1607 | NYSE | AMRC | Tue, Dec 6, 2016 | 6.05 | 6.05 | 5.90 | 5.95 | 1606 | NYSE | AMRC | Mon, Dec 5, 2016 | 5.75 | 6.05 | 5.75 | 5.95 | 1605 | NYSE | AMRC | Fri, Dec 2, 2016 | 5.95 | 6.05 | 5.80 | 5.85 | 1604 | NYSE | AMRC | Thu, Dec 1, 2016 | 6.05 | 6.10 | 6.00 | 6.00 | 1603 | NYSE | AMRC | Wed, Nov 30, 2016 | 6.00 | 6.15 | 5.90 | 5.95 | 1602 | NYSE | AMRC | Tue, Nov 29, 2016 | 6.05 | 6.10 | 6.00 | 6.00 | 1601 | NYSE | AMRC | Mon, Nov 28, 2016 | 6.00 | 6.15 | 6.00 | 6.00 | 1600 | NYSE | AMRC | Fri, Nov 25, 2016 | 6.05 | 6.09 | 5.99 | 6.05 | 1599 | NYSE | AMRC | Wed, Nov 23, 2016 | 6.05 | 6.15 | 5.95 | 6.10 | 1598 | NYSE | AMRC | Tue, Nov 22, 2016 | 6.20 | 6.20 | 6.00 | 6.08 | 1597 | NYSE | AMRC | Mon, Nov 21, 2016 | 6.05 | 6.10 | 5.80 | 6.05 | 1596 | NYSE | AMRC | Fri, Nov 18, 2016 | 5.95 | 6.05 | 5.85 | 6.05 | 1595 | NYSE | AMRC | Thu, Nov 17, 2016 | 5.90 | 5.90 | 5.70 | 5.90 | 1594 | NYSE | AMRC | Wed, Nov 16, 2016 | 5.75 | 5.85 | 5.70 | 5.85 | 1593 | NYSE | AMRC | Tue, Nov 15, 2016 | 5.95 | 6.10 | 5.58 | 5.70 | 1592 | NYSE | AMRC | Mon, Nov 14, 2016 | 6.05 | 6.10 | 5.75 | 6.00 | 1591 | NYSE | AMRC | Fri, Nov 11, 2016 | 5.75 | 6.00 | 5.53 | 6.00 | 1590 | NYSE | AMRC | Thu, Nov 10, 2016 | 5.40 | 5.65 | 5.35 | 5.60 | 1589 | NYSE | AMRC | Wed, Nov 9, 2016 | 4.65 | 5.40 | 4.60 | 5.35 | 1588 | NYSE | AMRC | Tue, Nov 8, 2016 | 5.05 | 5.30 | 5.05 | 5.20 | 1587 | NYSE | AMRC | Mon, Nov 7, 2016 | 5.00 | 5.30 | 4.95 | 5.10 | 1586 | NYSE | AMRC | Fri, Nov 4, 2016 | 4.96 | 5.15 | 4.75 | 4.95 | 1585 | NYSE | AMRC | Thu, Nov 3, 2016 | 5.35 | 5.35 | 4.80 | 4.80 | 1584 | NYSE | AMRC | Wed, Nov 2, 2016 | 5.40 | 5.40 | 5.10 | 5.35 | 1583 | NYSE | AMRC | Tue, Nov 1, 2016 | 5.15 | 5.20 | 4.75 | 5.20 | 1582 | NYSE | AMRC | Mon, Oct 31, 2016 | 5.00 | 5.10 | 4.75 | 4.80 | 1581 | NYSE | AMRC | Fri, Oct 28, 2016 | 5.15 | 5.25 | 4.90 | 4.95 | 1580 | NYSE | AMRC | Thu, Oct 27, 2016 | 5.15 | 5.25 | 5.00 | 5.15 | 1579 | NYSE | AMRC | Wed, Oct 26, 2016 | 4.95 | 5.25 | 4.90 | 5.10 | 1578 | NYSE | AMRC | Tue, Oct 25, 2016 | 5.00 | 5.05 | 4.90 | 4.90 | 1577 | NYSE | AMRC | Mon, Oct 24, 2016 | 5.05 | 5.05 | 4.90 | 5.05 | 1576 | NYSE | AMRC | Fri, Oct 21, 2016 | 4.90 | 5.00 | 4.85 | 5.00 | 1575 | NYSE | AMRC | Thu, Oct 20, 2016 | 4.95 | 5.10 | 4.90 | 5.00 | 1574 | NYSE | AMRC | Wed, Oct 19, 2016 | 5.05 | 5.10 | 4.90 | 4.90 | 1573 | NYSE | AMRC | Tue, Oct 18, 2016 | 5.00 | 5.10 | 4.95 | 5.10 | 1572 | NYSE | AMRC | Mon, Oct 17, 2016 | 4.90 | 5.00 | 4.80 | 4.95 | 1571 | NYSE | AMRC | Fri, Oct 14, 2016 | 5.05 | 5.07 | 4.84 | 4.84 | 1570 | NYSE | AMRC | Thu, Oct 13, 2016 | 4.90 | 5.06 | 4.84 | 5.05 | 1569 | NYSE | AMRC | Wed, Oct 12, 2016 | 4.93 | 4.99 | 4.89 | 4.92 | 1568 | NYSE | AMRC | Tue, Oct 11, 2016 | 5.06 | 5.07 | 4.88 | 4.92 | 1567 | NYSE | AMRC | Mon, Oct 10, 2016 | 5.00 | 5.08 | 4.91 | 5.06 | 1566 | NYSE | AMRC | Fri, Oct 7, 2016 | 5.08 | 5.09 | 4.99 | 4.99 | 1565 | NYSE | AMRC | Thu, Oct 6, 2016 | 5.01 | 5.10 | 5.01 | 5.04 | 1564 | NYSE | AMRC | Wed, Oct 5, 2016 | 5.05 | 5.12 | 5.02 | 5.06 | 1563 | NYSE | AMRC | Tue, Oct 4, 2016 | 5.05 | 5.12 | 5.00 | 5.02 | 1562 | NYSE | AMRC | Mon, Oct 3, 2016 | 5.21 | 5.28 | 5.05 | 5.06 | 1561 | NYSE | AMRC | Fri, Sep 30, 2016 | 5.03 | 5.30 | 4.97 | 5.26 | 1560 | NYSE | AMRC | Thu, Sep 29, 2016 | 5.03 | 5.21 | 5.01 | 5.02 | 1559 | NYSE | AMRC | Wed, Sep 28, 2016 | 4.93 | 5.08 | 4.90 | 5.05 | 1558 | NYSE | AMRC | Tue, Sep 27, 2016 | 5.02 | 5.08 | 4.90 | 4.94 | 1557 | NYSE | AMRC | Mon, Sep 26, 2016 | 5.24 | 5.27 | 5.04 | 5.04 | 1556 | NYSE | AMRC | Fri, Sep 23, 2016 | 5.27 | 5.33 | 5.27 | 5.28 | 1555 | NYSE | AMRC | Thu, Sep 22, 2016 | 5.28 | 5.34 | 5.26 | 5.30 | 1554 | NYSE | AMRC | Wed, Sep 21, 2016 | 5.25 | 5.34 | 5.23 | 5.29 | 1553 | NYSE | AMRC | Tue, Sep 20, 2016 | 5.11 | 5.34 | 5.05 | 5.21 | 1552 | NYSE | AMRC | Mon, Sep 19, 2016 | 5.01 | 5.08 | 4.93 | 5.05 | 1551 | NYSE | AMRC | Fri, Sep 16, 2016 | 4.95 | 5.05 | 4.86 | 5.05 | 1550 | NYSE | AMRC | Thu, Sep 15, 2016 | 4.87 | 5.01 | 4.87 | 4.95 | 1549 | NYSE | AMRC | Wed, Sep 14, 2016 | 4.99 | 5.00 | 4.82 | 4.89 | 1548 | NYSE | AMRC | Tue, Sep 13, 2016 | 5.06 | 5.06 | 4.98 | 5.00 | 1547 | NYSE | AMRC | Mon, Sep 12, 2016 | 4.87 | 5.07 | 4.79 | 5.07 | 1546 | NYSE | AMRC | Fri, Sep 9, 2016 | 4.95 | 5.12 | 4.92 | 4.93 | 1545 | NYSE | AMRC | Thu, Sep 8, 2016 | 5.03 | 5.10 | 5.03 | 5.09 | 1544 | NYSE | AMRC | Wed, Sep 7, 2016 | 5.08 | 5.11 | 5.04 | 5.07 | 1543 | NYSE | AMRC | Tue, Sep 6, 2016 | 5.07 | 5.11 | 5.04 | 5.09 | 1542 | NYSE | AMRC | Fri, Sep 2, 2016 | 4.99 | 5.10 | 4.91 | 5.08 | 1541 | NYSE | AMRC | Thu, Sep 1, 2016 | 4.77 | 4.95 | 4.71 | 4.94 | 1540 | NYSE | AMRC | Wed, Aug 31, 2016 | 4.88 | 4.92 | 4.71 | 4.78 | 1539 | NYSE | AMRC | Tue, Aug 30, 2016 | 4.74 | 4.94 | 4.74 | 4.90 | 1538 | NYSE | AMRC | Mon, Aug 29, 2016 | 4.65 | 4.88 | 4.65 | 4.75 | 1537 | NYSE | AMRC | Fri, Aug 26, 2016 | 4.72 | 4.80 | 4.66 | 4.68 | 1536 | NYSE | AMRC | Thu, Aug 25, 2016 | 4.51 | 4.67 | 4.51 | 4.65 | 1535 | NYSE | AMRC | Wed, Aug 24, 2016 | 4.65 | 4.69 | 4.51 | 4.55 | 1534 | NYSE | AMRC | Tue, Aug 23, 2016 | 4.82 | 4.86 | 4.60 | 4.62 | 1533 | NYSE | AMRC | Mon, Aug 22, 2016 | 4.79 | 4.99 | 4.77 | 4.79 | 1532 | NYSE | AMRC | Fri, Aug 19, 2016 | 4.89 | 4.94 | 4.83 | 4.87 | 1531 | NYSE | AMRC | Thu, Aug 18, 2016 | 4.88 | 4.96 | 4.86 | 4.89 | 1530 | NYSE | AMRC | Wed, Aug 17, 2016 | 4.86 | 4.98 | 4.85 | 4.89 | 1529 | NYSE | AMRC | Tue, Aug 16, 2016 | 4.89 | 4.93 | 4.76 | 4.83 | 1528 | NYSE | AMRC | Mon, Aug 15, 2016 | 4.97 | 5.05 | 4.93 | 4.95 | 1527 | NYSE | AMRC | Fri, Aug 12, 2016 | 4.92 | 4.97 | 4.82 | 4.92 | 1526 | NYSE | AMRC | Thu, Aug 11, 2016 | 4.82 | 4.94 | 4.72 | 4.88 | 1525 | NYSE | AMRC | Wed, Aug 10, 2016 | 5.08 | 5.08 | 4.72 | 4.84 | 1524 | NYSE | AMRC | Tue, Aug 9, 2016 | 5.20 | 5.20 | 4.77 | 5.00 | 1523 | NYSE | AMRC | Mon, Aug 8, 2016 | 4.88 | 4.95 | 4.67 | 4.70 | 1522 | NYSE | AMRC | Fri, Aug 5, 2016 | 4.63 | 4.92 | 4.63 | 4.88 | 1521 | NYSE | AMRC | Thu, Aug 4, 2016 | 4.78 | 4.78 | 4.62 | 4.63 | 1520 | NYSE | AMRC | Wed, Aug 3, 2016 | 4.78 | 4.79 | 4.72 | 4.78 | 1519 | NYSE | AMRC | Tue, Aug 2, 2016 | 4.85 | 4.91 | 4.74 | 4.76 | 1518 | NYSE | AMRC | Mon, Aug 1, 2016 | 5.03 | 5.03 | 4.86 | 4.86 | 1517 | NYSE | AMRC | Fri, Jul 29, 2016 | 4.91 | 5.00 | 4.86 | 4.95 | 1516 | NYSE | AMRC | Thu, Jul 28, 2016 | 4.92 | 4.93 | 4.78 | 4.81 | 1515 | NYSE | AMRC | Wed, Jul 27, 2016 | 5.10 | 5.10 | 4.94 | 4.97 | 1514 | NYSE | AMRC | Tue, Jul 26, 2016 | 5.04 | 5.06 | 4.93 | 5.03 | 1513 | NYSE | AMRC | Mon, Jul 25, 2016 | 5.05 | 5.07 | 4.92 | 5.05 | 1512 | NYSE | AMRC | Fri, Jul 22, 2016 | 5.13 | 5.18 | 5.07 | 5.11 | 1511 | NYSE | AMRC | Thu, Jul 21, 2016 | 5.14 | 5.20 | 5.06 | 5.11 | 1510 | NYSE | AMRC | Wed, Jul 20, 2016 | 5.14 | 5.20 | 4.99 | 5.20 | 1509 | NYSE | AMRC | Tue, Jul 19, 2016 | 5.09 | 5.19 | 5.06 | 5.08 | 1508 | NYSE | AMRC | Mon, Jul 18, 2016 | 5.27 | 5.30 | 5.13 | 5.18 | 1507 | NYSE | AMRC | Fri, Jul 15, 2016 | 5.24 | 5.29 | 5.17 | 5.27 | 1506 | NYSE | AMRC | Thu, Jul 14, 2016 | 5.17 | 5.21 | 5.02 | 5.17 | 1505 | NYSE | AMRC | Wed, Jul 13, 2016 | 5.19 | 5.24 | 5.07 | 5.14 | 1504 | NYSE | AMRC | Tue, Jul 12, 2016 | 5.03 | 5.28 | 5.03 | 5.18 | 1503 | NYSE | AMRC | Mon, Jul 11, 2016 | 5.04 | 5.15 | 4.99 | 5.01 | 1502 | NYSE | AMRC | Fri, Jul 8, 2016 | 4.88 | 5.08 | 4.88 | 5.01 | 1501 | NYSE | AMRC | Thu, Jul 7, 2016 | 4.90 | 5.00 | 4.82 | 4.84 | 1500 | NYSE | AMRC | Wed, Jul 6, 2016 | 4.64 | 4.87 | 4.64 | 4.82 | 1499 | NYSE | AMRC | Tue, Jul 5, 2016 | 4.47 | 4.79 | 4.40 | 4.72 | 1498 | NYSE | AMRC | Fri, Jul 1, 2016 | 4.35 | 4.51 | 4.35 | 4.46 | 1497 | NYSE | AMRC | Thu, Jun 30, 2016 | 4.29 | 4.47 | 4.26 | 4.37 | 1496 | NYSE | AMRC | Wed, Jun 29, 2016 | 4.34 | 4.40 | 4.28 | 4.29 | 1495 | NYSE | AMRC | Tue, Jun 28, 2016 | 4.45 | 4.49 | 4.24 | 4.30 | 1494 | NYSE | AMRC | Mon, Jun 27, 2016 | 4.71 | 4.71 | 4.32 | 4.33 | 1493 | NYSE | AMRC | Fri, Jun 24, 2016 | 4.79 | 4.81 | 4.43 | 4.72 | 1492 | NYSE | AMRC | Thu, Jun 23, 2016 | 4.95 | 5.00 | 4.93 | 4.97 | 1491 | NYSE | AMRC | Wed, Jun 22, 2016 | 4.70 | 4.87 | 4.70 | 4.81 | 1490 | NYSE | AMRC | Tue, Jun 21, 2016 | 4.72 | 4.75 | 4.61 | 4.67 | 1489 | NYSE | AMRC | Mon, Jun 20, 2016 | 4.64 | 4.76 | 4.62 | 4.67 | 1488 | NYSE | AMRC | Fri, Jun 17, 2016 | 4.40 | 4.61 | 4.40 | 4.55 | 1487 | NYSE | AMRC | Thu, Jun 16, 2016 | 4.44 | 4.49 | 4.40 | 4.48 | 1486 | NYSE | AMRC | Wed, Jun 15, 2016 | 4.53 | 4.59 | 4.45 | 4.47 | 1485 | NYSE | AMRC | Tue, Jun 14, 2016 | 4.58 | 4.63 | 4.50 | 4.53 | 1484 | NYSE | AMRC | Mon, Jun 13, 2016 | 4.44 | 4.68 | 4.44 | 4.60 | 1483 | NYSE | AMRC | Fri, Jun 10, 2016 | 4.50 | 4.57 | 4.31 | 4.44 | 1482 | NYSE | AMRC | Thu, Jun 9, 2016 | 4.67 | 4.67 | 4.50 | 4.51 | 1481 | NYSE | AMRC | Wed, Jun 8, 2016 | 4.80 | 4.86 | 4.70 | 4.72 | 1480 | NYSE | AMRC | Tue, Jun 7, 2016 | 4.86 | 4.86 | 4.80 | 4.80 | 1479 | NYSE | AMRC | Mon, Jun 6, 2016 | 4.82 | 4.88 | 4.79 | 4.82 | 1478 | NYSE | AMRC | Fri, Jun 3, 2016 | 4.97 | 4.99 | 4.73 | 4.80 | 1477 | NYSE | AMRC | Thu, Jun 2, 2016 | 4.71 | 4.98 | 4.71 | 4.95 | 1476 | NYSE | AMRC | Wed, Jun 1, 2016 | 4.66 | 4.78 | 4.64 | 4.71 | 1475 | NYSE | AMRC | Tue, May 31, 2016 | 4.79 | 4.85 | 4.66 | 4.68 | 1474 | NYSE | AMRC | Fri, May 27, 2016 | 4.72 | 4.83 | 4.68 | 4.74 | 1473 | NYSE | AMRC | Thu, May 26, 2016 | 4.85 | 4.86 | 4.70 | 4.74 | 1472 | NYSE | AMRC | Wed, May 25, 2016 | 4.96 | 5.01 | 4.80 | 4.83 | 1471 | NYSE | AMRC | Tue, May 24, 2016 | 4.87 | 5.01 | 4.75 | 4.93 | 1470 | NYSE | AMRC | Mon, May 23, 2016 | 4.85 | 4.93 | 4.77 | 4.85 | 1469 | NYSE | AMRC | Fri, May 20, 2016 | 4.45 | 4.82 | 4.37 | 4.82 | 1468 | NYSE | AMRC | Thu, May 19, 2016 | 4.52 | 4.60 | 4.46 | 4.50 | 1467 | NYSE | AMRC | Wed, May 18, 2016 | 4.53 | 4.64 | 4.50 | 4.56 | 1466 | NYSE | AMRC | Tue, May 17, 2016 | 4.56 | 4.69 | 4.50 | 4.53 | 1465 | NYSE | AMRC | Mon, May 16, 2016 | 4.52 | 4.62 | 4.52 | 4.61 | 1464 | NYSE | AMRC | Fri, May 13, 2016 | 4.49 | 4.56 | 4.44 | 4.51 | 1463 | NYSE | AMRC | Thu, May 12, 2016 | 4.64 | 4.70 | 4.47 | 4.54 | 1462 | NYSE | AMRC | Wed, May 11, 2016 | 4.64 | 4.69 | 4.55 | 4.63 | 1461 | NYSE | AMRC | Tue, May 10, 2016 | 4.63 | 4.70 | 4.60 | 4.64 | 1460 | NYSE | AMRC | Mon, May 9, 2016 | 4.46 | 4.67 | 4.46 | 4.62 | 1459 | NYSE | AMRC | Fri, May 6, 2016 | 4.54 | 4.60 | 4.37 | 4.50 | 1458 | NYSE | AMRC | Thu, May 5, 2016 | 4.70 | 4.81 | 4.37 | 4.40 | 1457 | NYSE | AMRC | Wed, May 4, 2016 | 4.08 | 4.20 | 3.91 | 3.93 | 1456 | NYSE | AMRC | Tue, May 3, 2016 | 4.32 | 4.35 | 3.95 | 4.09 | 1455 | NYSE | AMRC | Mon, May 2, 2016 | 4.42 | 4.50 | 4.35 | 4.36 | 1454 | NYSE | AMRC | Fri, Apr 29, 2016 | 4.32 | 4.51 | 4.32 | 4.47 | 1453 | NYSE | AMRC | Thu, Apr 28, 2016 | 4.33 | 4.47 | 4.30 | 4.42 | 1452 | NYSE | AMRC | Wed, Apr 27, 2016 | 4.34 | 4.45 | 4.34 | 4.38 | 1451 | NYSE | AMRC | Tue, Apr 26, 2016 | 4.32 | 4.45 | 4.24 | 4.38 | 1450 | NYSE | AMRC | Mon, Apr 25, 2016 | 4.57 | 4.57 | 4.30 | 4.32 | 1449 | NYSE | AMRC | Fri, Apr 22, 2016 | 4.52 | 4.65 | 4.52 | 4.57 | 1448 | NYSE | AMRC | Thu, Apr 21, 2016 | 4.53 | 4.62 | 4.52 | 4.52 | 1447 | NYSE | AMRC | Wed, Apr 20, 2016 | 4.65 | 4.67 | 4.54 | 4.54 | 1446 | NYSE | AMRC | Tue, Apr 19, 2016 | 4.65 | 4.68 | 4.57 | 4.63 | 1445 | NYSE | AMRC | Mon, Apr 18, 2016 | 4.51 | 4.70 | 4.51 | 4.64 | 1444 | NYSE | AMRC | Fri, Apr 15, 2016 | 4.52 | 4.62 | 4.52 | 4.55 | 1443 | NYSE | AMRC | Thu, Apr 14, 2016 | 4.59 | 4.59 | 4.46 | 4.55 | 1442 | NYSE | AMRC | Wed, Apr 13, 2016 | 4.11 | 4.64 | 4.11 | 4.61 | 1441 | NYSE | AMRC | Tue, Apr 12, 2016 | 4.06 | 4.10 | 4.00 | 4.06 | 1440 | NYSE | AMRC | Mon, Apr 11, 2016 | 4.14 | 4.27 | 4.03 | 4.04 | 1439 | NYSE | AMRC | Fri, Apr 8, 2016 | 4.22 | 4.28 | 4.07 | 4.10 | 1438 | NYSE | AMRC | Thu, Apr 7, 2016 | 4.30 | 4.39 | 4.16 | 4.18 | 1437 | NYSE | AMRC | Wed, Apr 6, 2016 | 4.43 | 4.49 | 4.33 | 4.35 | 1436 | NYSE | AMRC | Tue, Apr 5, 2016 | 4.67 | 4.67 | 4.67 | 4.43 | 1435 | NYSE | AMRC | Mon, Apr 4, 2016 | 4.77 | 4.77 | 4.65 | 4.67 | 1434 | NYSE | AMRC | Fri, Apr 1, 2016 | 4.66 | 4.84 | 4.59 | 4.76 | 1433 | NYSE | AMRC | Thu, Mar 31, 2016 | 4.87 | 5.08 | 4.77 | 4.77 | 1432 | NYSE | AMRC | Wed, Mar 30, 2016 | 4.89 | 5.00 | 4.84 | 4.95 | 1431 | NYSE | AMRC | Tue, Mar 29, 2016 | 4.59 | 4.89 | 4.53 | 4.88 | 1430 | NYSE | AMRC | Mon, Mar 28, 2016 | 4.68 | 4.72 | 4.57 | 4.57 | 1429 | NYSE | AMRC | Thu, Mar 24, 2016 | 4.82 | 4.82 | 4.82 | 4.69 | 1428 | NYSE | AMRC | Wed, Mar 23, 2016 | 4.92 | 4.93 | 4.80 | 4.82 | 1427 | NYSE | AMRC | Tue, Mar 22, 2016 | 5.07 | 5.08 | 4.93 | 4.94 | 1426 | NYSE | AMRC | Mon, Mar 21, 2016 | 4.93 | 5.10 | 4.92 | 5.06 | 1425 | NYSE | AMRC | Fri, Mar 18, 2016 | 5.06 | 5.10 | 4.95 | 5.00 | 1424 | NYSE | AMRC | Thu, Mar 17, 2016 | 4.86 | 4.99 | 4.80 | 4.97 | 1423 | NYSE | AMRC | Wed, Mar 16, 2016 | 4.90 | 5.00 | 4.83 | 4.88 | 1422 | NYSE | AMRC | Tue, Mar 15, 2016 | 5.00 | 5.00 | 5.00 | 4.94 | 1421 | NYSE | AMRC | Mon, Mar 14, 2016 | 4.88 | 4.95 | 4.78 | 4.88 | 1420 | NYSE | AMRC | Fri, Mar 11, 2016 | 4.85 | 4.85 | 4.85 | 4.92 | 1419 | NYSE | AMRC | Thu, Mar 10, 2016 | 4.95 | 5.01 | 4.75 | 4.85 | 1418 | NYSE | AMRC | Wed, Mar 9, 2016 | 4.83 | 4.83 | 4.83 | 4.84 | 1417 | NYSE | AMRC | Tue, Mar 8, 2016 | 5.09 | 5.09 | 4.74 | 4.83 | 1416 | NYSE | AMRC | Mon, Mar 7, 2016 | 4.92 | 5.18 | 4.91 | 5.15 | 1415 | NYSE | AMRC | Fri, Mar 4, 2016 | 5.00 | 5.00 | 5.00 | 5.04 | 1414 | NYSE | AMRC | Thu, Mar 3, 2016 | 6.04 | 6.04 | 6.04 | 5.00 | 1413 | NYSE | AMRC | Wed, Mar 2, 2016 | 5.14 | 6.10 | 5.07 | 6.04 | 1412 | NYSE | AMRC | Tue, Mar 1, 2016 | 5.18 | 5.25 | 5.08 | 5.17 | 1411 | NYSE | AMRC | Mon, Feb 29, 2016 | 5.06 | 5.26 | 5.06 | 5.14 | 1410 | NYSE | AMRC | Fri, Feb 26, 2016 | 5.00 | 5.11 | 4.91 | 5.08 | 1409 | NYSE | AMRC | Thu, Feb 25, 2016 | 4.90 | 5.07 | 4.90 | 4.94 | 1408 | NYSE | AMRC | Wed, Feb 24, 2016 | 4.70 | 4.89 | 4.64 | 4.87 | 1407 | NYSE | AMRC | Tue, Feb 23, 2016 | 4.75 | 4.94 | 4.70 | 4.72 | 1406 | NYSE | AMRC | Mon, Feb 22, 2016 | 4.76 | 4.85 | 4.74 | 4.75 | 1405 | NYSE | AMRC | Fri, Feb 19, 2016 | 4.60 | 4.72 | 4.60 | 4.70 | 1404 | NYSE | AMRC | Thu, Feb 18, 2016 | 4.70 | 4.76 | 4.54 | 4.61 | 1403 | NYSE | AMRC | Wed, Feb 17, 2016 | 4.17 | 4.74 | 4.17 | 4.64 | 1402 | NYSE | AMRC | Tue, Feb 16, 2016 | 4.50 | 4.56 | 4.14 | 4.15 | 1401 | NYSE | AMRC | Fri, Feb 12, 2016 | 4.57 | 4.64 | 4.55 | 4.58 | 1400 | NYSE | AMRC | Thu, Feb 11, 2016 | 4.60 | 4.76 | 4.50 | 4.54 | 1399 | NYSE | AMRC | Wed, Feb 10, 2016 | 4.67 | 4.77 | 4.57 | 4.75 | 1398 | NYSE | AMRC | Tue, Feb 9, 2016 | 4.67 | 4.73 | 4.54 | 4.64 | 1397 | NYSE | AMRC | Mon, Feb 8, 2016 | 4.75 | 4.76 | 4.56 | 4.74 | 1396 | NYSE | AMRC | Fri, Feb 5, 2016 | 5.04 | 5.10 | 4.79 | 4.80 | 1395 | NYSE | AMRC | Thu, Feb 4, 2016 | 5.01 | 5.26 | 5.00 | 5.10 | 1394 | NYSE | AMRC | Wed, Feb 3, 2016 | 5.16 | 5.16 | 4.95 | 5.00 | 1393 | NYSE | AMRC | Tue, Feb 2, 2016 | 5.22 | 5.22 | 5.06 | 5.10 | 1392 | NYSE | AMRC | Mon, Feb 1, 2016 | 5.33 | 5.38 | 5.28 | 5.32 | 1391 | NYSE | AMRC | Fri, Jan 29, 2016 | 5.22 | 5.45 | 5.22 | 5.45 | 1390 | NYSE | AMRC | Thu, Jan 28, 2016 | 5.23 | 5.34 | 5.13 | 5.17 | 1389 | NYSE | AMRC | Wed, Jan 27, 2016 | 5.25 | 5.35 | 5.11 | 5.19 | 1388 | NYSE | AMRC | Tue, Jan 26, 2016 | 5.24 | 5.39 | 5.15 | 5.25 | 1387 | NYSE | AMRC | Mon, Jan 25, 2016 | 5.29 | 5.41 | 5.13 | 5.17 | 1386 | NYSE | AMRC | Fri, Jan 22, 2016 | 5.40 | 5.59 | 5.24 | 5.56 | 1385 | NYSE | AMRC | Thu, Jan 21, 2016 | 5.18 | 5.41 | 5.15 | 5.26 | 1384 | NYSE | AMRC | Wed, Jan 20, 2016 | 5.31 | 5.37 | 4.97 | 5.15 | 1383 | NYSE | AMRC | Tue, Jan 19, 2016 | 5.53 | 5.77 | 5.28 | 5.40 | 1382 | NYSE | AMRC | Fri, Jan 15, 2016 | 5.54 | 5.75 | 5.49 | 5.72 | 1381 | NYSE | AMRC | Thu, Jan 14, 2016 | 5.54 | 5.82 | 5.54 | 5.71 | 1380 | NYSE | AMRC | Wed, Jan 13, 2016 | 5.67 | 5.79 | 5.47 | 5.51 | 1379 | NYSE | AMRC | Tue, Jan 12, 2016 | 5.74 | 5.78 | 5.48 | 5.61 | 1378 | NYSE | AMRC | Mon, Jan 11, 2016 | 5.62 | 5.81 | 5.58 | 5.67 | 1377 | NYSE | AMRC | Fri, Jan 8, 2016 | 5.72 | 5.76 | 5.52 | 5.56 | 1376 | NYSE | AMRC | Thu, Jan 7, 2016 | 5.89 | 5.93 | 5.66 | 5.71 | 1375 | NYSE | AMRC | Wed, Jan 6, 2016 | 5.96 | 6.14 | 5.94 | 5.99 | 1374 | NYSE | AMRC | Tue, Jan 5, 2016 | 6.03 | 6.23 | 5.90 | 6.10 | 1373 | NYSE | AMRC | Mon, Jan 4, 2016 | 6.07 | 6.16 | 5.83 | 6.01 | 1372 | NYSE | AMRC | Thu, Dec 31, 2015 | 6.39 | 6.48 | 6.16 | 6.25 | 1371 | NYSE | AMRC | Wed, Dec 30, 2015 | 6.65 | 6.65 | 6.32 | 6.37 | 1370 | NYSE | AMRC | Tue, Dec 29, 2015 | 6.07 | 6.68 | 6.07 | 6.66 | 1369 | NYSE | AMRC | Mon, Dec 28, 2015 | 5.97 | 6.07 | 5.84 | 6.04 | 1368 | NYSE | AMRC | Thu, Dec 24, 2015 | 5.95 | 6.02 | 5.91 | 5.96 | 1367 | NYSE | AMRC | Wed, Dec 23, 2015 | 5.96 | 6.06 | 5.81 | 5.98 | 1366 | NYSE | AMRC | Tue, Dec 22, 2015 | 6.00 | 6.02 | 5.80 | 5.94 | 1365 | NYSE | AMRC | Mon, Dec 21, 2015 | 6.04 | 6.05 | 5.72 | 5.99 | 1364 | NYSE | AMRC | Fri, Dec 18, 2015 | 6.08 | 6.10 | 5.85 | 5.96 | 1363 | NYSE | AMRC | Thu, Dec 17, 2015 | 6.25 | 6.25 | 6.07 | 6.14 | 1362 | NYSE | AMRC | Wed, Dec 16, 2015 | 6.08 | 6.30 | 6.05 | 6.25 | 1361 | NYSE | AMRC | Tue, Dec 15, 2015 | 5.93 | 6.12 | 5.84 | 6.11 | 1360 | NYSE | AMRC | Mon, Dec 14, 2015 | 5.85 | 6.00 | 5.80 | 5.84 | 1359 | NYSE | AMRC | Fri, Dec 11, 2015 | 6.02 | 6.08 | 5.76 | 5.79 | 1358 | NYSE | AMRC | Thu, Dec 10, 2015 | 6.18 | 6.29 | 6.06 | 6.11 | 1357 | NYSE | AMRC | Wed, Dec 9, 2015 | 6.06 | 6.42 | 6.02 | 6.08 | 1356 | NYSE | AMRC | Tue, Dec 8, 2015 | 5.91 | 6.09 | 5.89 | 6.04 | 1355 | NYSE | AMRC | Mon, Dec 7, 2015 | 6.56 | 6.56 | 5.98 | 6.04 | 1354 | NYSE | AMRC | Fri, Dec 4, 2015 | 6.53 | 6.75 | 6.49 | 6.56 | 1353 | NYSE | AMRC | Thu, Dec 3, 2015 | 6.80 | 6.85 | 6.60 | 6.60 | 1352 | NYSE | AMRC | Wed, Dec 2, 2015 | 6.92 | 7.00 | 6.75 | 6.75 | 1351 | NYSE | AMRC | Tue, Dec 1, 2015 | 6.80 | 6.99 | 6.75 | 6.94 | 1350 | NYSE | AMRC | Mon, Nov 30, 2015 | 6.76 | 6.90 | 6.73 | 6.83 | 1349 | NYSE | AMRC | Fri, Nov 27, 2015 | 6.80 | 6.86 | 6.70 | 6.78 | 1348 | NYSE | AMRC | Wed, Nov 25, 2015 | 6.86 | 6.97 | 6.81 | 6.82 | 1347 | NYSE | AMRC | Tue, Nov 24, 2015 | 6.69 | 6.90 | 6.66 | 6.90 | 1346 | NYSE | AMRC | Mon, Nov 23, 2015 | 6.66 | 6.80 | 6.64 | 6.70 | 1345 | NYSE | AMRC | Fri, Nov 20, 2015 | 6.73 | 7.00 | 6.65 | 6.69 | 1344 | NYSE | AMRC | Thu, Nov 19, 2015 | 6.74 | 6.77 | 6.62 | 6.66 | 1343 | NYSE | AMRC | Wed, Nov 18, 2015 | 6.47 | 6.70 | 6.47 | 6.67 | 1342 | NYSE | AMRC | Tue, Nov 17, 2015 | 6.40 | 6.53 | 6.34 | 6.40 | 1341 | NYSE | AMRC | Mon, Nov 16, 2015 | 6.30 | 6.50 | 6.26 | 6.43 | 1340 | NYSE | AMRC | Fri, Nov 13, 2015 | 6.45 | 6.49 | 6.30 | 6.37 | 1339 | NYSE | AMRC | Thu, Nov 12, 2015 | 6.52 | 6.52 | 6.41 | 6.45 | 1338 | NYSE | AMRC | Wed, Nov 11, 2015 | 6.72 | 6.74 | 6.50 | 6.58 | 1337 | NYSE | AMRC | Tue, Nov 10, 2015 | 6.63 | 6.76 | 6.55 | 6.74 | 1336 | NYSE | AMRC | Mon, Nov 9, 2015 | 6.92 | 6.98 | 6.61 | 6.67 | 1335 | NYSE | AMRC | Fri, Nov 6, 2015 | 6.48 | 6.97 | 6.48 | 6.90 | 1334 | NYSE | AMRC | Thu, Nov 5, 2015 | 6.89 | 6.90 | 6.49 | 6.65 | 1333 | NYSE | AMRC | Wed, Nov 4, 2015 | 6.87 | 6.98 | 6.76 | 6.84 | 1332 | NYSE | AMRC | Tue, Nov 3, 2015 | 6.63 | 7.00 | 6.62 | 6.92 | 1331 | NYSE | AMRC | Mon, Nov 2, 2015 | 6.40 | 6.84 | 6.34 | 6.66 | 1330 | NYSE | AMRC | Fri, Oct 30, 2015 | 6.46 | 6.53 | 6.37 | 6.48 | 1329 | NYSE | AMRC | Thu, Oct 29, 2015 | 6.45 | 6.50 | 6.26 | 6.47 | 1328 | NYSE | AMRC | Wed, Oct 28, 2015 | 6.27 | 6.54 | 6.22 | 6.50 | 1327 | NYSE | AMRC | Tue, Oct 27, 2015 | 6.43 | 6.50 | 6.16 | 6.19 | 1326 | NYSE | AMRC | Mon, Oct 26, 2015 | 6.62 | 6.62 | 6.39 | 6.50 | 1325 | NYSE | AMRC | Fri, Oct 23, 2015 | 6.68 | 6.68 | 6.46 | 6.67 | 1324 | NYSE | AMRC | Thu, Oct 22, 2015 | 6.53 | 6.68 | 6.48 | 6.64 | 1323 | NYSE | AMRC | Wed, Oct 21, 2015 | 6.62 | 6.62 | 6.43 | 6.49 | 1322 | NYSE | AMRC | Tue, Oct 20, 2015 | 6.55 | 6.68 | 6.47 | 6.61 | 1321 | NYSE | AMRC | Mon, Oct 19, 2015 | 6.57 | 6.66 | 6.45 | 6.56 | 1320 | NYSE | AMRC | Fri, Oct 16, 2015 | 7.10 | 7.10 | 6.50 | 6.60 | 1319 | NYSE | AMRC | Thu, Oct 15, 2015 | 6.64 | 7.09 | 6.51 | 7.08 | 1318 | NYSE | AMRC | Wed, Oct 14, 2015 | 6.43 | 6.71 | 6.43 | 6.58 | 1317 | NYSE | AMRC | Tue, Oct 13, 2015 | 6.37 | 6.49 | 6.35 | 6.37 | 1316 | NYSE | AMRC | Mon, Oct 12, 2015 | 6.50 | 6.57 | 6.37 | 6.44 | 1315 | NYSE | AMRC | Fri, Oct 9, 2015 | 6.59 | 6.61 | 6.46 | 6.58 | 1314 | NYSE | AMRC | Thu, Oct 8, 2015 | 6.55 | 6.67 | 6.51 | 6.56 | 1313 | NYSE | AMRC | Wed, Oct 7, 2015 | 6.39 | 6.53 | 6.39 | 6.53 | 1312 | NYSE | AMRC | Tue, Oct 6, 2015 | 6.40 | 6.50 | 6.25 | 6.33 | 1311 | NYSE | AMRC | Mon, Oct 5, 2015 | 6.07 | 6.37 | 6.07 | 6.37 | 1310 | NYSE | AMRC | Fri, Oct 2, 2015 | 5.88 | 6.03 | 5.79 | 6.01 | 1309 | NYSE | AMRC | Thu, Oct 1, 2015 | 5.88 | 5.97 | 5.68 | 5.95 | 1308 | NYSE | AMRC | Wed, Sep 30, 2015 | 5.93 | 5.97 | 5.77 | 5.88 | 1307 | NYSE | AMRC | Tue, Sep 29, 2015 | 5.87 | 5.98 | 5.83 | 5.89 | 1306 | NYSE | AMRC | Mon, Sep 28, 2015 | 5.90 | 6.04 | 5.80 | 5.87 | 1305 | NYSE | AMRC | Fri, Sep 25, 2015 | 6.08 | 6.10 | 5.89 | 5.91 | 1304 | NYSE | AMRC | Thu, Sep 24, 2015 | 6.01 | 6.07 | 5.83 | 6.04 | 1303 | NYSE | AMRC | Wed, Sep 23, 2015 | 6.03 | 6.09 | 5.88 | 6.03 | 1302 | NYSE | AMRC | Tue, Sep 22, 2015 | 6.01 | 6.09 | 5.96 | 5.99 | 1301 | NYSE | AMRC | Mon, Sep 21, 2015 | 6.04 | 6.17 | 6.00 | 6.06 | 1300 | NYSE | AMRC | Fri, Sep 18, 2015 | 6.30 | 6.30 | 5.94 | 6.00 | 1299 | NYSE | AMRC | Thu, Sep 17, 2015 | 6.11 | 6.58 | 6.03 | 6.37 | 1298 | NYSE | AMRC | Wed, Sep 16, 2015 | 6.06 | 6.15 | 6.05 | 6.12 | 1297 | NYSE | AMRC | Tue, Sep 15, 2015 | 5.90 | 6.12 | 5.87 | 6.07 | 1296 | NYSE | AMRC | Mon, Sep 14, 2015 | 5.85 | 5.94 | 5.80 | 5.89 | 1295 | NYSE | AMRC | Fri, Sep 11, 2015 | 5.76 | 5.88 | 5.73 | 5.86 | 1294 | NYSE | AMRC | Thu, Sep 10, 2015 | 5.89 | 5.98 | 5.78 | 5.83 | 1293 | NYSE | AMRC | Wed, Sep 9, 2015 | 6.00 | 6.00 | 5.81 | 5.82 | 1292 | NYSE | AMRC | Tue, Sep 8, 2015 | 5.66 | 6.00 | 5.62 | 5.90 | 1291 | NYSE | AMRC | Fri, Sep 4, 2015 | 5.45 | 5.67 | 5.44 | 5.60 | 1290 | NYSE | AMRC | Thu, Sep 3, 2015 | 5.51 | 5.60 | 5.47 | 5.49 | 1289 | NYSE | AMRC | Wed, Sep 2, 2015 | 5.80 | 5.80 | 5.54 | 5.58 | 1288 | NYSE | AMRC | Tue, Sep 1, 2015 | 5.67 | 5.74 | 5.51 | 5.69 | 1287 | NYSE | AMRC | Mon, Aug 31, 2015 | 5.79 | 5.80 | 5.57 | 5.67 | 1286 | NYSE | AMRC | Fri, Aug 28, 2015 | 5.67 | 5.80 | 5.59 | 5.74 | 1285 | NYSE | AMRC | Thu, Aug 27, 2015 | 5.55 | 5.70 | 5.46 | 5.67 | 1284 | NYSE | AMRC | Wed, Aug 26, 2015 | 5.49 | 5.53 | 5.32 | 5.50 | 1283 | NYSE | AMRC | Tue, Aug 25, 2015 | 5.88 | 5.91 | 5.32 | 5.36 | 1282 | NYSE | AMRC | Mon, Aug 24, 2015 | 5.56 | 5.90 | 5.31 | 5.80 | 1281 | NYSE | AMRC | Fri, Aug 21, 2015 | 5.84 | 6.00 | 5.72 | 5.85 | 1280 | NYSE | AMRC | Thu, Aug 20, 2015 | 6.11 | 6.14 | 5.97 | 5.97 | 1279 | NYSE | AMRC | Wed, Aug 19, 2015 | 6.19 | 6.30 | 6.05 | 6.25 | 1278 | NYSE | AMRC | Tue, Aug 18, 2015 | 6.28 | 6.28 | 6.10 | 6.26 | 1277 | NYSE | AMRC | Mon, Aug 17, 2015 | 6.46 | 6.48 | 6.30 | 6.32 | 1276 | NYSE | AMRC | Fri, Aug 14, 2015 | 6.54 | 6.63 | 6.42 | 6.51 | 1275 | NYSE | AMRC | Thu, Aug 13, 2015 | 6.53 | 6.55 | 6.44 | 6.52 | 1274 | NYSE | AMRC | Wed, Aug 12, 2015 | 6.43 | 6.59 | 6.40 | 6.52 | 1273 | NYSE | AMRC | Tue, Aug 11, 2015 | 6.35 | 6.51 | 6.31 | 6.51 | 1272 | NYSE | AMRC | Mon, Aug 10, 2015 | 6.43 | 6.45 | 6.27 | 6.41 | 1271 | NYSE | AMRC | Fri, Aug 7, 2015 | 6.42 | 6.53 | 6.27 | 6.34 | 1270 | NYSE | AMRC | Thu, Aug 6, 2015 | 6.66 | 6.75 | 6.46 | 6.49 | 1269 | NYSE | AMRC | Wed, Aug 5, 2015 | 6.58 | 6.75 | 6.48 | 6.59 | 1268 | NYSE | AMRC | Tue, Aug 4, 2015 | 6.69 | 6.69 | 6.46 | 6.54 | 1267 | NYSE | AMRC | Mon, Aug 3, 2015 | 6.89 | 6.89 | 6.48 | 6.69 | 1266 | NYSE | AMRC | Fri, Jul 31, 2015 | 6.47 | 7.02 | 6.41 | 6.90 | 1265 | NYSE | AMRC | Thu, Jul 30, 2015 | 6.60 | 7.27 | 6.36 | 6.41 | 1264 | NYSE | AMRC | Wed, Jul 29, 2015 | 6.60 | 6.72 | 6.57 | 6.65 | 1263 | NYSE | AMRC | Tue, Jul 28, 2015 | 6.67 | 6.70 | 6.41 | 6.59 | 1262 | NYSE | AMRC | Mon, Jul 27, 2015 | 6.49 | 6.70 | 6.44 | 6.58 | 1261 | NYSE | AMRC | Fri, Jul 24, 2015 | 6.70 | 6.70 | 6.52 | 6.54 | 1260 | NYSE | AMRC | Thu, Jul 23, 2015 | 6.95 | 6.96 | 6.65 | 6.66 | 1259 | NYSE | AMRC | Wed, Jul 22, 2015 | 6.90 | 7.02 | 6.86 | 6.95 | 1258 | NYSE | AMRC | Tue, Jul 21, 2015 | 6.88 | 6.96 | 6.81 | 6.90 | 1257 | NYSE | AMRC | Mon, Jul 20, 2015 | 7.06 | 7.06 | 6.78 | 6.92 | 1256 | NYSE | AMRC | Fri, Jul 17, 2015 | 7.21 | 7.21 | 7.06 | 7.08 | 1255 | NYSE | AMRC | Thu, Jul 16, 2015 | 7.13 | 7.35 | 7.08 | 7.23 | 1254 | NYSE | AMRC | Wed, Jul 15, 2015 | 7.27 | 7.27 | 7.04 | 7.07 | 1253 | NYSE | AMRC | Tue, Jul 14, 2015 | 7.05 | 7.28 | 7.05 | 7.25 | 1252 | NYSE | AMRC | Mon, Jul 13, 2015 | 7.05 | 7.10 | 6.96 | 7.02 | 1251 | NYSE | AMRC | Fri, Jul 10, 2015 | 7.12 | 7.22 | 7.02 | 7.06 | 1250 | NYSE | AMRC | Thu, Jul 9, 2015 | 7.15 | 7.26 | 6.99 | 7.06 | 1249 | NYSE | AMRC | Wed, Jul 8, 2015 | 7.32 | 7.43 | 6.99 | 7.05 | 1248 | NYSE | AMRC | Tue, Jul 7, 2015 | 7.48 | 7.48 | 7.20 | 7.42 | 1247 | NYSE | AMRC | Mon, Jul 6, 2015 | 7.62 | 7.74 | 7.41 | 7.49 | 1246 | NYSE | AMRC | Thu, Jul 2, 2015 | 7.71 | 7.80 | 7.48 | 7.73 | 1245 | NYSE | AMRC | Wed, Jul 1, 2015 | 7.73 | 7.90 | 7.51 | 7.66 | 1244 | NYSE | AMRC | Tue, Jun 30, 2015 | 7.85 | 7.85 | 7.56 | 7.65 | 1243 | NYSE | AMRC | Mon, Jun 29, 2015 | 7.89 | 7.98 | 7.71 | 7.81 | 1242 | NYSE | AMRC | Fri, Jun 26, 2015 | 7.71 | 7.91 | 7.61 | 7.91 | 1241 | NYSE | AMRC | Thu, Jun 25, 2015 | 7.54 | 7.88 | 7.50 | 7.71 | 1240 | NYSE | AMRC | Wed, Jun 24, 2015 | 7.42 | 7.52 | 7.38 | 7.46 | 1239 | NYSE | AMRC | Tue, Jun 23, 2015 | 7.40 | 7.51 | 7.35 | 7.48 | 1238 | NYSE | AMRC | Mon, Jun 22, 2015 | 7.32 | 7.49 | 7.32 | 7.39 | 1237 | NYSE | AMRC | Fri, Jun 19, 2015 | 7.36 | 7.36 | 7.27 | 7.32 | 1236 | NYSE | AMRC | Thu, Jun 18, 2015 | 7.18 | 7.37 | 7.18 | 7.34 | 1235 | NYSE | AMRC | Wed, Jun 17, 2015 | 7.21 | 7.22 | 7.11 | 7.14 | 1234 | NYSE | AMRC | Tue, Jun 16, 2015 | 7.25 | 7.25 | 7.09 | 7.21 | 1233 | NYSE | AMRC | Mon, Jun 15, 2015 | 7.06 | 7.25 | 6.90 | 7.23 | 1232 | NYSE | AMRC | Fri, Jun 12, 2015 | 7.25 | 7.27 | 7.12 | 7.14 | 1231 | NYSE | AMRC | Thu, Jun 11, 2015 | 7.12 | 7.25 | 7.08 | 7.25 | 1230 | NYSE | AMRC | Wed, Jun 10, 2015 | 6.98 | 7.24 | 6.91 | 7.12 | 1229 | NYSE | AMRC | Tue, Jun 9, 2015 | 6.98 | 6.98 | 6.77 | 6.94 | 1228 | NYSE | AMRC | Mon, Jun 8, 2015 | 6.93 | 7.00 | 6.83 | 6.93 | 1227 | NYSE | AMRC | Fri, Jun 5, 2015 | 6.86 | 7.03 | 6.77 | 7.00 | 1226 | NYSE | AMRC | Thu, Jun 4, 2015 | 7.12 | 7.18 | 6.86 | 6.88 | 1225 | NYSE | AMRC | Wed, Jun 3, 2015 | 7.03 | 7.26 | 6.96 | 7.22 | 1224 | NYSE | AMRC | Tue, Jun 2, 2015 | 7.26 | 7.26 | 7.08 | 7.11 | 1223 | NYSE | AMRC | Mon, Jun 1, 2015 | 7.33 | 7.33 | 7.00 | 7.27 | 1222 | NYSE | AMRC | Fri, May 29, 2015 | 7.23 | 7.31 | 7.06 | 7.26 | 1221 | NYSE | AMRC | Thu, May 28, 2015 | 7.08 | 7.31 | 7.05 | 7.25 | 1220 | NYSE | AMRC | Wed, May 27, 2015 | 6.98 | 7.10 | 6.90 | 7.03 | 1219 | NYSE | AMRC | Tue, May 26, 2015 | 7.23 | 7.28 | 6.92 | 7.02 | 1218 | NYSE | AMRC | Fri, May 22, 2015 | 7.25 | 7.29 | 7.03 | 7.23 | 1217 | NYSE | AMRC | Thu, May 21, 2015 | 7.25 | 7.41 | 7.20 | 7.30 | 1216 | NYSE | AMRC | Wed, May 20, 2015 | 7.41 | 7.42 | 7.26 | 7.28 | 1215 | NYSE | AMRC | Tue, May 19, 2015 | 7.35 | 7.46 | 7.14 | 7.35 | 1214 | NYSE | AMRC | Mon, May 18, 2015 | 7.33 | 7.43 | 7.20 | 7.32 | 1213 | NYSE | AMRC | Fri, May 15, 2015 | 7.25 | 7.43 | 7.22 | 7.34 | 1212 | NYSE | AMRC | Thu, May 14, 2015 | 7.08 | 7.36 | 7.05 | 7.24 | 1211 | NYSE | AMRC | Wed, May 13, 2015 | 6.84 | 7.05 | 6.84 | 6.97 | 1210 | NYSE | AMRC | Tue, May 12, 2015 | 6.55 | 6.89 | 6.49 | 6.81 | 1209 | NYSE | AMRC | Mon, May 11, 2015 | 6.44 | 6.63 | 6.44 | 6.55 | 1208 | NYSE | AMRC | Fri, May 8, 2015 | 6.60 | 6.70 | 6.42 | 6.51 | 1207 | NYSE | AMRC | Thu, May 7, 2015 | 6.60 | 6.85 | 6.50 | 6.53 | 1206 | NYSE | AMRC | Wed, May 6, 2015 | 6.59 | 6.61 | 6.40 | 6.58 | 1205 | NYSE | AMRC | Tue, May 5, 2015 | 6.69 | 6.75 | 6.42 | 6.55 | 1204 | NYSE | AMRC | Mon, May 4, 2015 | 6.74 | 6.87 | 6.67 | 6.73 | 1203 | NYSE | AMRC | Fri, May 1, 2015 | 6.71 | 6.89 | 6.64 | 6.76 | 1202 | NYSE | AMRC | Thu, Apr 30, 2015 | 7.10 | 7.22 | 6.50 | 6.72 | 1201 | NYSE | AMRC | Wed, Apr 29, 2015 | 7.24 | 7.45 | 7.18 | 7.19 | 1200 | NYSE | AMRC | Tue, Apr 28, 2015 | 7.05 | 7.34 | 7.02 | 7.33 | 1199 | NYSE | AMRC | Mon, Apr 27, 2015 | 7.13 | 7.31 | 6.99 | 7.12 | 1198 | NYSE | AMRC | Fri, Apr 24, 2015 | 7.23 | 7.38 | 7.13 | 7.18 | 1197 | NYSE | AMRC | Thu, Apr 23, 2015 | 7.37 | 7.38 | 7.20 | 7.30 | 1196 | NYSE | AMRC | Wed, Apr 22, 2015 | 7.42 | 7.46 | 7.18 | 7.41 | 1195 | NYSE | AMRC | Tue, Apr 21, 2015 | 7.63 | 7.74 | 7.39 | 7.46 | 1194 | NYSE | AMRC | Mon, Apr 20, 2015 | 7.47 | 7.68 | 7.43 | 7.63 | 1193 | NYSE | AMRC | Fri, Apr 17, 2015 | 7.41 | 7.48 | 7.37 | 7.39 | 1192 | NYSE | AMRC | Thu, Apr 16, 2015 | 7.53 | 7.66 | 7.37 | 7.50 | 1191 | NYSE | AMRC | Wed, Apr 15, 2015 | 7.41 | 7.78 | 7.39 | 7.57 | 1190 | NYSE | AMRC | Tue, Apr 14, 2015 | 7.39 | 7.72 | 7.37 | 7.43 | 1189 | NYSE | AMRC | Mon, Apr 13, 2015 | 7.55 | 7.60 | 7.36 | 7.36 | 1188 | NYSE | AMRC | Fri, Apr 10, 2015 | 7.50 | 7.61 | 7.33 | 7.54 | 1187 | NYSE | AMRC | Thu, Apr 9, 2015 | 7.38 | 7.49 | 7.20 | 7.47 | 1186 | NYSE | AMRC | Wed, Apr 8, 2015 | 7.48 | 7.60 | 7.35 | 7.40 | 1185 | NYSE | AMRC | Tue, Apr 7, 2015 | 7.69 | 7.78 | 7.46 | 7.47 | 1184 | NYSE | AMRC | Mon, Apr 6, 2015 | 7.49 | 7.73 | 7.49 | 7.71 | 1183 | NYSE | AMRC | Thu, Apr 2, 2015 | 7.32 | 7.61 | 7.32 | 7.59 | 1182 | NYSE | AMRC | Wed, Apr 1, 2015 | 7.36 | 7.52 | 7.24 | 7.36 | 1181 | NYSE | AMRC | Tue, Mar 31, 2015 | 7.66 | 7.66 | 7.21 | 7.40 | 1180 | NYSE | AMRC | Mon, Mar 30, 2015 | 7.52 | 7.83 | 7.50 | 7.74 | 1179 | NYSE | AMRC | Fri, Mar 27, 2015 | 7.54 | 7.74 | 7.41 | 7.54 | 1178 | NYSE | AMRC | Thu, Mar 26, 2015 | 7.22 | 7.56 | 7.20 | 7.51 | 1177 | NYSE | AMRC | Wed, Mar 25, 2015 | 7.60 | 7.64 | 7.13 | 7.19 | 1176 | NYSE | AMRC | Tue, Mar 24, 2015 | 7.67 | 7.84 | 7.53 | 7.67 | 1175 | NYSE | AMRC | Mon, Mar 23, 2015 | 7.28 | 7.71 | 7.28 | 7.70 | 1174 | NYSE | AMRC | Fri, Mar 20, 2015 | 6.95 | 7.40 | 6.91 | 7.28 | 1173 | NYSE | AMRC | Thu, Mar 19, 2015 | 6.90 | 7.01 | 6.81 | 6.91 | 1172 | NYSE | AMRC | Wed, Mar 18, 2015 | 6.98 | 7.03 | 6.77 | 6.95 | 1171 | NYSE | AMRC | Tue, Mar 17, 2015 | 7.06 | 7.06 | 6.86 | 7.04 | 1170 | NYSE | AMRC | Mon, Mar 16, 2015 | 7.02 | 7.11 | 6.85 | 7.07 | 1169 | NYSE | AMRC | Fri, Mar 13, 2015 | 7.02 | 7.08 | 6.71 | 7.01 | 1168 | NYSE | AMRC | Thu, Mar 12, 2015 | 6.79 | 7.08 | 6.70 | 7.05 | 1167 | NYSE | AMRC | Wed, Mar 11, 2015 | 6.97 | 6.97 | 6.50 | 6.70 | 1166 | NYSE | AMRC | Tue, Mar 10, 2015 | 6.90 | 7.03 | 6.85 | 6.99 | 1165 | NYSE | AMRC | Mon, Mar 9, 2015 | 7.20 | 7.20 | 6.94 | 6.98 | 1164 | NYSE | AMRC | Fri, Mar 6, 2015 | 6.75 | 7.25 | 6.55 | 7.17 | 1163 | NYSE | AMRC | Thu, Mar 5, 2015 | 6.75 | 7.09 | 6.65 | 6.78 | 1162 | NYSE | AMRC | Wed, Mar 4, 2015 | 6.46 | 6.57 | 6.42 | 6.42 | 1161 | NYSE | AMRC | Tue, Mar 3, 2015 | 6.35 | 6.67 | 6.28 | 6.53 | 1160 | NYSE | AMRC | Mon, Mar 2, 2015 | 6.25 | 6.43 | 6.16 | 6.39 | 1159 | NYSE | AMRC | Fri, Feb 27, 2015 | 6.36 | 6.38 | 6.25 | 6.26 | 1158 | NYSE | AMRC | Thu, Feb 26, 2015 | 6.37 | 6.43 | 6.15 | 6.36 | 1157 | NYSE | AMRC | Wed, Feb 25, 2015 | 6.36 | 6.45 | 6.35 | 6.38 | 1156 | NYSE | AMRC | Tue, Feb 24, 2015 | 6.42 | 6.51 | 6.36 | 6.38 | 1155 | NYSE | AMRC | Mon, Feb 23, 2015 | 6.51 | 6.57 | 6.33 | 6.43 | 1154 | NYSE | AMRC | Fri, Feb 20, 2015 | 6.54 | 6.62 | 6.36 | 6.60 | 1153 | NYSE | AMRC | Thu, Feb 19, 2015 | 6.28 | 6.55 | 6.28 | 6.52 | 1152 | NYSE | AMRC | Wed, Feb 18, 2015 | 6.19 | 6.33 | 6.18 | 6.32 | 1151 | NYSE | AMRC | Tue, Feb 17, 2015 | 6.05 | 6.22 | 6.05 | 6.21 | 1150 | NYSE | AMRC | Fri, Feb 13, 2015 | 5.85 | 6.06 | 5.85 | 6.05 | 1149 | NYSE | AMRC | Thu, Feb 12, 2015 | 6.02 | 6.03 | 5.81 | 5.85 | 1148 | NYSE | AMRC | Wed, Feb 11, 2015 | 6.18 | 6.18 | 5.90 | 5.95 | 1147 | NYSE | AMRC | Tue, Feb 10, 2015 | 6.30 | 6.39 | 6.06 | 6.21 | 1146 | NYSE | AMRC | Mon, Feb 9, 2015 | 6.21 | 6.34 | 6.20 | 6.30 | 1145 | NYSE | AMRC | Fri, Feb 6, 2015 | 6.23 | 6.34 | 6.13 | 6.21 | 1144 | NYSE | AMRC | Thu, Feb 5, 2015 | 6.01 | 6.24 | 6.01 | 6.20 | 1143 | NYSE | AMRC | Wed, Feb 4, 2015 | 6.13 | 6.18 | 5.94 | 5.96 | 1142 | NYSE | AMRC | Tue, Feb 3, 2015 | 6.00 | 6.31 | 6.00 | 6.17 | 1141 | NYSE | AMRC | Mon, Feb 2, 2015 | 5.91 | 6.03 | 5.78 | 5.98 | 1140 | NYSE | AMRC | Fri, Jan 30, 2015 | 6.12 | 6.19 | 5.82 | 5.83 | 1139 | NYSE | AMRC | Thu, Jan 29, 2015 | 5.96 | 6.21 | 5.88 | 6.19 | 1138 | NYSE | AMRC | Wed, Jan 28, 2015 | 6.36 | 6.40 | 5.93 | 5.97 | 1137 | NYSE | AMRC | Tue, Jan 27, 2015 | 6.35 | 6.40 | 6.26 | 6.32 | 1136 | NYSE | AMRC | Mon, Jan 26, 2015 | 6.25 | 6.46 | 6.17 | 6.37 | 1135 | NYSE | AMRC | Fri, Jan 23, 2015 | 6.25 | 6.35 | 6.19 | 6.34 | 1134 | NYSE | AMRC | Thu, Jan 22, 2015 | 6.35 | 6.40 | 6.26 | 6.29 | 1133 | NYSE | AMRC | Wed, Jan 21, 2015 | 6.24 | 6.43 | 6.24 | 6.28 | 1132 | NYSE | AMRC | Tue, Jan 20, 2015 | 6.22 | 6.34 | 6.10 | 6.17 | 1131 | NYSE | AMRC | Fri, Jan 16, 2015 | 6.05 | 6.27 | 6.05 | 6.24 | 1130 | NYSE | AMRC | Thu, Jan 15, 2015 | 6.41 | 6.41 | 6.00 | 6.09 | 1129 | NYSE | AMRC | Wed, Jan 14, 2015 | 6.30 | 6.55 | 6.27 | 6.44 | 1128 | NYSE | AMRC | Tue, Jan 13, 2015 | 6.36 | 6.64 | 6.20 | 6.34 | 1127 | NYSE | AMRC | Mon, Jan 12, 2015 | 6.61 | 6.61 | 6.18 | 6.33 | 1126 | NYSE | AMRC | Fri, Jan 9, 2015 | 6.75 | 6.84 | 6.64 | 6.65 | 1125 | NYSE | AMRC | Thu, Jan 8, 2015 | 6.75 | 6.90 | 6.69 | 6.77 | 1124 | NYSE | AMRC | Wed, Jan 7, 2015 | 6.76 | 6.77 | 6.64 | 6.71 | 1123 | NYSE | AMRC | Tue, Jan 6, 2015 | 6.92 | 6.97 | 6.58 | 6.74 | 1122 | NYSE | AMRC | Mon, Jan 5, 2015 | 7.03 | 7.22 | 6.83 | 6.90 | 1121 | NYSE | AMRC | Fri, Jan 2, 2015 | 7.06 | 7.20 | 6.98 | 7.09 | 1120 | NYSE | AMRC | Wed, Dec 31, 2014 | 6.85 | 7.20 | 6.79 | 7.00 | 1119 | NYSE | AMRC | Tue, Dec 30, 2014 | 7.06 | 7.16 | 6.81 | 6.85 | 1118 | NYSE | AMRC | Mon, Dec 29, 2014 | 7.15 | 7.37 | 7.09 | 7.14 | 1117 | NYSE | AMRC | Fri, Dec 26, 2014 | 7.38 | 7.39 | 7.15 | 7.20 | 1116 | NYSE | AMRC | Wed, Dec 24, 2014 | 7.11 | 7.40 | 7.07 | 7.31 | 1115 | NYSE | AMRC | Tue, Dec 23, 2014 | 7.04 | 7.23 | 6.75 | 7.11 | 1114 | NYSE | AMRC | Mon, Dec 22, 2014 | 7.00 | 7.09 | 6.87 | 7.06 | 1113 | NYSE | AMRC | Fri, Dec 19, 2014 | 7.52 | 7.52 | 7.00 | 7.05 | 1112 | NYSE | AMRC | Thu, Dec 18, 2014 | 7.63 | 7.67 | 7.44 | 7.59 | 1111 | NYSE | AMRC | Wed, Dec 17, 2014 | 6.93 | 7.59 | 6.85 | 7.57 | 1110 | NYSE | AMRC | Tue, Dec 16, 2014 | 6.90 | 7.19 | 6.84 | 6.96 | 1109 | NYSE | AMRC | Mon, Dec 15, 2014 | 7.43 | 7.54 | 6.90 | 6.90 | 1108 | NYSE | AMRC | Fri, Dec 12, 2014 | 7.43 | 7.60 | 7.38 | 7.42 | 1107 | NYSE | AMRC | Thu, Dec 11, 2014 | 7.61 | 7.74 | 7.50 | 7.54 | 1106 | NYSE | AMRC | Wed, Dec 10, 2014 | 7.96 | 7.96 | 7.58 | 7.60 | 1105 | NYSE | AMRC | Tue, Dec 9, 2014 | 7.50 | 8.04 | 7.50 | 8.02 | 1104 | NYSE | AMRC | Mon, Dec 8, 2014 | 7.71 | 7.90 | 7.57 | 7.60 | 1103 | NYSE | AMRC | Fri, Dec 5, 2014 | 7.62 | 7.85 | 7.62 | 7.77 | 1102 | NYSE | AMRC | Thu, Dec 4, 2014 | 7.56 | 7.88 | 7.54 | 7.66 | 1101 | NYSE | AMRC | Wed, Dec 3, 2014 | 7.54 | 7.69 | 7.48 | 7.63 | 1100 | NYSE | AMRC | Tue, Dec 2, 2014 | 7.35 | 7.70 | 7.35 | 7.56 | 1099 | NYSE | AMRC | Mon, Dec 1, 2014 | 7.66 | 7.69 | 7.26 | 7.41 | 1098 | NYSE | AMRC | Fri, Nov 28, 2014 | 8.05 | 8.09 | 7.69 | 7.71 | 1097 | NYSE | AMRC | Wed, Nov 26, 2014 | 8.16 | 8.20 | 7.91 | 8.12 | 1096 | NYSE | AMRC | Tue, Nov 25, 2014 | 8.17 | 8.24 | 8.11 | 8.17 | 1095 | NYSE | AMRC | Mon, Nov 24, 2014 | 8.04 | 8.20 | 8.01 | 8.18 | 1094 | NYSE | AMRC | Fri, Nov 21, 2014 | 8.14 | 8.38 | 8.05 | 8.08 | 1093 | NYSE | AMRC | Thu, Nov 20, 2014 | 7.80 | 8.05 | 7.80 | 8.04 | 1092 | NYSE | AMRC | Wed, Nov 19, 2014 | 7.99 | 8.05 | 7.77 | 7.82 | 1091 | NYSE | AMRC | Tue, Nov 18, 2014 | 8.03 | 8.13 | 7.95 | 8.06 | 1090 | NYSE | AMRC | Mon, Nov 17, 2014 | 8.06 | 8.09 | 7.96 | 8.01 | 1089 | NYSE | AMRC | Fri, Nov 14, 2014 | 8.04 | 8.20 | 7.93 | 8.09 | 1088 | NYSE | AMRC | Thu, Nov 13, 2014 | 8.14 | 8.18 | 8.10 | 8.14 | 1087 | NYSE | AMRC | Wed, Nov 12, 2014 | 7.98 | 8.14 | 7.95 | 8.12 | 1086 | NYSE | AMRC | Tue, Nov 11, 2014 | 8.18 | 8.18 | 8.01 | 8.03 | 1085 | NYSE | AMRC | Mon, Nov 10, 2014 | 8.16 | 8.26 | 8.09 | 8.16 | 1084 | NYSE | AMRC | Fri, Nov 7, 2014 | 8.25 | 8.35 | 8.08 | 8.16 | 1083 | NYSE | AMRC | Thu, Nov 6, 2014 | 8.07 | 8.25 | 7.98 | 8.25 | 1082 | NYSE | AMRC | Wed, Nov 5, 2014 | 8.11 | 8.35 | 7.94 | 8.35 | 1081 | NYSE | AMRC | Tue, Nov 4, 2014 | 8.04 | 8.17 | 7.99 | 8.07 | 1080 | NYSE | AMRC | Mon, Nov 3, 2014 | 8.24 | 8.25 | 8.00 | 8.09 | 1079 | NYSE | AMRC | Fri, Oct 31, 2014 | 8.03 | 8.25 | 7.78 | 8.24 | 1078 | NYSE | AMRC | Thu, Oct 30, 2014 | 7.69 | 7.89 | 7.48 | 7.84 | 1077 | NYSE | AMRC | Wed, Oct 29, 2014 | 7.63 | 7.78 | 7.54 | 7.73 | 1076 | NYSE | AMRC | Tue, Oct 28, 2014 | 7.50 | 7.71 | 7.45 | 7.60 | 1075 | NYSE | AMRC | Mon, Oct 27, 2014 | 7.26 | 7.49 | 7.20 | 7.49 | 1074 | NYSE | AMRC | Fri, Oct 24, 2014 | 7.31 | 7.48 | 7.22 | 7.29 | 1073 | NYSE | AMRC | Thu, Oct 23, 2014 | 7.32 | 7.56 | 7.28 | 7.34 | 1072 | NYSE | AMRC | Wed, Oct 22, 2014 | 7.46 | 7.46 | 7.11 | 7.28 | 1071 | NYSE | AMRC | Tue, Oct 21, 2014 | 7.32 | 7.54 | 7.16 | 7.42 | 1070 | NYSE | AMRC | Mon, Oct 20, 2014 | 7.13 | 7.26 | 7.13 | 7.26 | 1069 | NYSE | AMRC | Fri, Oct 17, 2014 | 7.51 | 7.51 | 7.13 | 7.14 | 1068 | NYSE | AMRC | Thu, Oct 16, 2014 | 7.20 | 7.66 | 7.20 | 7.41 | 1067 | NYSE | AMRC | Wed, Oct 15, 2014 | 6.82 | 7.61 | 6.62 | 7.52 | 1066 | NYSE | AMRC | Tue, Oct 14, 2014 | 6.85 | 7.00 | 6.52 | 6.86 | 1065 | NYSE | AMRC | Mon, Oct 13, 2014 | 6.83 | 7.09 | 6.76 | 6.86 | 1064 | NYSE | AMRC | Fri, Oct 10, 2014 | 6.94 | 6.97 | 6.70 | 6.76 | 1063 | NYSE | AMRC | Thu, Oct 9, 2014 | 7.35 | 7.35 | 6.99 | 6.99 | 1062 | NYSE | AMRC | Wed, Oct 8, 2014 | 7.18 | 7.37 | 7.00 | 7.37 | 1061 | NYSE | AMRC | Tue, Oct 7, 2014 | 7.35 | 7.40 | 7.19 | 7.22 | 1060 | NYSE | AMRC | Mon, Oct 6, 2014 | 7.50 | 7.50 | 7.35 | 7.40 | 1059 | NYSE | AMRC | Fri, Oct 3, 2014 | 7.46 | 7.58 | 7.35 | 7.44 | 1058 | NYSE | AMRC | Thu, Oct 2, 2014 | 6.89 | 7.37 | 6.89 | 7.35 | 1057 | NYSE | AMRC | Wed, Oct 1, 2014 | 6.89 | 7.00 | 6.80 | 6.85 | 1056 | NYSE | AMRC | Tue, Sep 30, 2014 | 7.04 | 7.22 | 6.78 | 6.85 | 1055 | NYSE | AMRC | Mon, Sep 29, 2014 | 6.79 | 7.11 | 6.73 | 7.00 | 1054 | NYSE | AMRC | Fri, Sep 26, 2014 | 7.00 | 7.08 | 6.78 | 6.86 | 1053 | NYSE | AMRC | Thu, Sep 25, 2014 | 7.22 | 7.22 | 7.00 | 7.01 | 1052 | NYSE | AMRC | Wed, Sep 24, 2014 | 7.26 | 7.31 | 7.13 | 7.29 | 1051 | NYSE | AMRC | Tue, Sep 23, 2014 | 7.26 | 7.43 | 7.18 | 7.22 | 1050 | NYSE | AMRC | Mon, Sep 22, 2014 | 7.40 | 7.40 | 7.25 | 7.29 | 1049 | NYSE | AMRC | Fri, Sep 19, 2014 | 7.54 | 7.64 | 7.18 | 7.40 | 1048 | NYSE | AMRC | Thu, Sep 18, 2014 | 7.57 | 7.65 | 7.45 | 7.51 | 1047 | NYSE | AMRC | Wed, Sep 17, 2014 | 7.57 | 7.67 | 7.48 | 7.55 | 1046 | NYSE | AMRC | Tue, Sep 16, 2014 | 7.50 | 7.58 | 7.48 | 7.55 | 1045 | NYSE | AMRC | Mon, Sep 15, 2014 | 7.42 | 7.67 | 7.25 | 7.55 | 1044 | NYSE | AMRC | Fri, Sep 12, 2014 | 7.77 | 7.77 | 7.36 | 7.40 | 1043 | NYSE | AMRC | Thu, Sep 11, 2014 | 7.67 | 7.80 | 7.64 | 7.75 | 1042 | NYSE | AMRC | Wed, Sep 10, 2014 | 7.64 | 7.88 | 7.56 | 7.74 | 1041 | NYSE | AMRC | Tue, Sep 9, 2014 | 7.90 | 7.98 | 7.67 | 7.68 | 1040 | NYSE | AMRC | Mon, Sep 8, 2014 | 8.09 | 8.09 | 7.87 | 7.89 | 1039 | NYSE | AMRC | Fri, Sep 5, 2014 | 7.90 | 8.13 | 7.81 | 8.12 | 1038 | NYSE | AMRC | Thu, Sep 4, 2014 | 8.07 | 8.20 | 7.89 | 7.95 | 1037 | NYSE | AMRC | Wed, Sep 3, 2014 | 8.45 | 8.45 | 8.00 | 8.02 | 1036 | NYSE | AMRC | Tue, Sep 2, 2014 | 8.43 | 8.47 | 8.26 | 8.40 | 1035 | NYSE | AMRC | Fri, Aug 29, 2014 | 8.38 | 8.45 | 8.26 | 8.41 | 1034 | NYSE | AMRC | Thu, Aug 28, 2014 | 8.36 | 8.50 | 8.25 | 8.38 | 1033 | NYSE | AMRC | Wed, Aug 27, 2014 | 8.47 | 8.52 | 8.26 | 8.43 | 1032 | NYSE | AMRC | Tue, Aug 26, 2014 | 8.31 | 8.50 | 8.27 | 8.42 | 1031 | NYSE | AMRC | Mon, Aug 25, 2014 | 8.43 | 8.67 | 8.26 | 8.34 | 1030 | NYSE | AMRC | Fri, Aug 22, 2014 | 8.16 | 8.46 | 8.00 | 8.41 | 1029 | NYSE | AMRC | Thu, Aug 21, 2014 | 8.08 | 8.24 | 8.00 | 8.18 | 1028 | NYSE | AMRC | Wed, Aug 20, 2014 | 8.27 | 8.27 | 8.08 | 8.12 | 1027 | NYSE | AMRC | Tue, Aug 19, 2014 | 8.40 | 8.52 | 8.29 | 8.37 | 1026 | NYSE | AMRC | Mon, Aug 18, 2014 | 8.35 | 8.54 | 8.33 | 8.40 | 1025 | NYSE | AMRC | Fri, Aug 15, 2014 | 8.87 | 8.98 | 8.25 | 8.26 | 1024 | NYSE | AMRC | Thu, Aug 14, 2014 | 8.80 | 8.96 | 8.64 | 8.82 | 1023 | NYSE | AMRC | Wed, Aug 13, 2014 | 8.46 | 8.86 | 8.42 | 8.79 | 1022 | NYSE | AMRC | Tue, Aug 12, 2014 | 8.31 | 8.56 | 8.27 | 8.44 | 1021 | NYSE | AMRC | Mon, Aug 11, 2014 | 8.25 | 8.68 | 8.23 | 8.37 | 1020 | NYSE | AMRC | Fri, Aug 8, 2014 | 7.93 | 8.34 | 7.83 | 8.31 | 1019 | NYSE | AMRC | Thu, Aug 7, 2014 | 7.70 | 7.94 | 7.70 | 7.94 | 1018 | NYSE | AMRC | Wed, Aug 6, 2014 | 7.51 | 7.70 | 7.38 | 7.64 | 1017 | NYSE | AMRC | Tue, Aug 5, 2014 | 7.83 | 7.91 | 7.47 | 7.58 | 1016 | NYSE | AMRC | Mon, Aug 4, 2014 | 7.68 | 7.86 | 7.61 | 7.84 | 1015 | NYSE | AMRC | Fri, Aug 1, 2014 | 7.55 | 7.81 | 7.35 | 7.59 | 1014 | NYSE | AMRC | Thu, Jul 31, 2014 | 7.25 | 7.58 | 7.11 | 7.52 | 1013 | NYSE | AMRC | Wed, Jul 30, 2014 | 6.58 | 6.79 | 6.45 | 6.75 | 1012 | NYSE | AMRC | Tue, Jul 29, 2014 | 6.40 | 6.58 | 6.35 | 6.56 | 1011 | NYSE | AMRC | Mon, Jul 28, 2014 | 6.50 | 6.55 | 6.38 | 6.41 | 1010 | NYSE | AMRC | Fri, Jul 25, 2014 | 6.55 | 6.62 | 6.50 | 6.51 | 1009 | NYSE | AMRC | Thu, Jul 24, 2014 | 6.80 | 6.89 | 6.58 | 6.60 | 1008 | NYSE | AMRC | Wed, Jul 23, 2014 | 6.89 | 6.89 | 6.73 | 6.79 | 1007 | NYSE | AMRC | Tue, Jul 22, 2014 | 6.70 | 6.88 | 6.66 | 6.85 | 1006 | NYSE | AMRC | Mon, Jul 21, 2014 | 6.66 | 6.81 | 6.52 | 6.69 | 1005 | NYSE | AMRC | Fri, Jul 18, 2014 | 6.81 | 6.93 | 6.68 | 6.70 | 1004 | NYSE | AMRC | Thu, Jul 17, 2014 | 6.92 | 6.95 | 6.83 | 6.85 | 1003 | NYSE | AMRC | Wed, Jul 16, 2014 | 7.01 | 7.05 | 6.92 | 6.92 | 1002 | NYSE | AMRC | Tue, Jul 15, 2014 | 7.07 | 7.08 | 6.88 | 7.00 | 1001 | NYSE | AMRC | Mon, Jul 14, 2014 | 7.05 | 7.15 | 6.94 | 7.05 | 1000 | NYSE | AMRC | Fri, Jul 11, 2014 | 6.97 | 6.99 | 6.84 | 6.94 | 999 | NYSE | AMRC | Thu, Jul 10, 2014 | 6.94 | 6.98 | 6.79 | 6.91 | 998 | NYSE | AMRC | Wed, Jul 9, 2014 | 7.07 | 7.13 | 7.00 | 7.01 | 997 | NYSE | AMRC | Tue, Jul 8, 2014 | 7.06 | 7.19 | 6.93 | 7.05 | 996 | NYSE | AMRC | Mon, Jul 7, 2014 | 7.19 | 7.19 | 7.01 | 7.09 | 995 | NYSE | AMRC | Thu, Jul 3, 2014 | 7.30 | 7.30 | 7.12 | 7.19 | 994 | NYSE | AMRC | Wed, Jul 2, 2014 | 7.15 | 7.33 | 7.11 | 7.28 | 993 | NYSE | AMRC | Tue, Jul 1, 2014 | 7.03 | 7.22 | 7.03 | 7.19 | 992 | NYSE | AMRC | Mon, Jun 30, 2014 | 7.28 | 7.28 | 7.00 | 7.03 | 991 | NYSE | AMRC | Fri, Jun 27, 2014 | 7.15 | 7.29 | 7.01 | 7.25 | 990 | NYSE | AMRC | Thu, Jun 26, 2014 | 6.98 | 7.25 | 6.82 | 7.19 | 989 | NYSE | AMRC | Wed, Jun 25, 2014 | 6.96 | 7.13 | 6.94 | 6.99 | 988 | NYSE | AMRC | Tue, Jun 24, 2014 | 7.23 | 7.40 | 6.95 | 7.03 | 987 | NYSE | AMRC | Mon, Jun 23, 2014 | 7.14 | 7.32 | 7.02 | 7.26 | 986 | NYSE | AMRC | Fri, Jun 20, 2014 | 7.19 | 7.19 | 7.00 | 7.09 | 985 | NYSE | AMRC | Thu, Jun 19, 2014 | 7.29 | 7.37 | 7.11 | 7.21 | 984 | NYSE | AMRC | Wed, Jun 18, 2014 | 7.22 | 7.31 | 7.11 | 7.27 | 983 | NYSE | AMRC | Tue, Jun 17, 2014 | 7.13 | 7.27 | 7.02 | 7.22 | 982 | NYSE | AMRC | Mon, Jun 16, 2014 | 7.19 | 7.20 | 7.04 | 7.16 | 981 | NYSE | AMRC | Fri, Jun 13, 2014 | 7.20 | 7.23 | 7.10 | 7.19 | 980 | NYSE | AMRC | Thu, Jun 12, 2014 | 7.14 | 7.22 | 7.02 | 7.19 | 979 | NYSE | AMRC | Wed, Jun 11, 2014 | 7.21 | 7.24 | 7.07 | 7.12 | 978 | NYSE | AMRC | Tue, Jun 10, 2014 | 7.35 | 7.42 | 7.10 | 7.23 | 977 | NYSE | AMRC | Mon, Jun 9, 2014 | 7.23 | 7.39 | 7.00 | 7.35 | 976 | NYSE | AMRC | Fri, Jun 6, 2014 | 7.15 | 7.29 | 7.01 | 7.22 | 975 | NYSE | AMRC | Thu, Jun 5, 2014 | 6.85 | 7.09 | 6.70 | 7.07 | 974 | NYSE | AMRC | Wed, Jun 4, 2014 | 6.46 | 6.96 | 6.45 | 6.87 | 973 | NYSE | AMRC | Tue, Jun 3, 2014 | 6.34 | 6.40 | 6.16 | 6.27 | 972 | NYSE | AMRC | Mon, Jun 2, 2014 | 6.60 | 6.61 | 6.35 | 6.43 | 971 | NYSE | AMRC | Fri, May 30, 2014 | 6.78 | 6.78 | 6.51 | 6.55 | 970 | NYSE | AMRC | Thu, May 29, 2014 | 7.02 | 7.02 | 6.72 | 6.80 | 969 | NYSE | AMRC | Wed, May 28, 2014 | 6.91 | 7.00 | 6.77 | 6.92 | 968 | NYSE | AMRC | Tue, May 27, 2014 | 6.93 | 7.14 | 6.81 | 6.93 | 967 | NYSE | AMRC | Fri, May 23, 2014 | 6.72 | 6.91 | 6.70 | 6.90 | 966 | NYSE | AMRC | Thu, May 22, 2014 | 6.37 | 6.71 | 6.37 | 6.70 | 965 | NYSE | AMRC | Wed, May 21, 2014 | 6.18 | 6.37 | 6.16 | 6.31 | 964 | NYSE | AMRC | Tue, May 20, 2014 | 6.44 | 6.48 | 6.08 | 6.18 | 963 | NYSE | AMRC | Mon, May 19, 2014 | 6.04 | 6.49 | 6.00 | 6.43 | 962 | NYSE | AMRC | Fri, May 16, 2014 | 5.79 | 5.97 | 5.79 | 5.95 | 961 | NYSE | AMRC | Thu, May 15, 2014 | 5.79 | 5.86 | 5.68 | 5.80 | 960 | NYSE | AMRC | Wed, May 14, 2014 | 6.01 | 6.10 | 5.77 | 5.78 | 959 | NYSE | AMRC | Tue, May 13, 2014 | 5.71 | 6.13 | 5.71 | 6.00 | 958 | NYSE | AMRC | Mon, May 12, 2014 | 5.81 | 6.02 | 5.73 | 5.75 | 957 | NYSE | AMRC | Fri, May 9, 2014 | 5.68 | 5.87 | 5.67 | 5.82 | 956 | NYSE | AMRC | Thu, May 8, 2014 | 5.90 | 6.15 | 5.59 | 5.74 | 955 | NYSE | AMRC | Wed, May 7, 2014 | 6.20 | 6.38 | 5.90 | 6.17 | 954 | NYSE | AMRC | Tue, May 6, 2014 | 6.18 | 6.29 | 6.16 | 6.21 | 953 | NYSE | AMRC | Mon, May 5, 2014 | 6.19 | 6.33 | 6.18 | 6.24 | 952 | NYSE | AMRC | Fri, May 2, 2014 | 6.34 | 6.39 | 6.23 | 6.27 | 951 | NYSE | AMRC | Thu, May 1, 2014 | 6.39 | 6.44 | 6.20 | 6.35 | 950 | NYSE | AMRC | Wed, Apr 30, 2014 | 6.36 | 6.54 | 6.26 | 6.41 | 949 | NYSE | AMRC | Tue, Apr 29, 2014 | 6.46 | 6.56 | 6.32 | 6.37 | 948 | NYSE | AMRC | Mon, Apr 28, 2014 | 6.55 | 6.56 | 6.31 | 6.41 | 947 | NYSE | AMRC | Fri, Apr 25, 2014 | 6.71 | 6.71 | 6.44 | 6.50 | 946 | NYSE | AMRC | Thu, Apr 24, 2014 | 6.79 | 6.82 | 6.65 | 6.73 | 945 | NYSE | AMRC | Wed, Apr 23, 2014 | 6.81 | 6.85 | 6.68 | 6.71 | 944 | NYSE | AMRC | Tue, Apr 22, 2014 | 6.86 | 6.88 | 6.80 | 6.83 | 943 | NYSE | AMRC | Mon, Apr 21, 2014 | 6.81 | 6.89 | 6.76 | 6.82 | 942 | NYSE | AMRC | Thu, Apr 17, 2014 | 6.88 | 6.97 | 6.78 | 6.79 | 941 | NYSE | AMRC | Wed, Apr 16, 2014 | 6.87 | 6.93 | 6.83 | 6.88 | 940 | NYSE | AMRC | Tue, Apr 15, 2014 | 7.00 | 7.02 | 6.52 | 6.79 | 939 | NYSE | AMRC | Mon, Apr 14, 2014 | 7.21 | 7.21 | 7.00 | 7.00 | 938 | NYSE | AMRC | Fri, Apr 11, 2014 | 7.14 | 7.20 | 7.01 | 7.08 | 937 | NYSE | AMRC | Thu, Apr 10, 2014 | 7.14 | 7.20 | 7.11 | 7.17 | 936 | NYSE | AMRC | Wed, Apr 9, 2014 | 7.25 | 7.25 | 7.07 | 7.16 | 935 | NYSE | AMRC | Tue, Apr 8, 2014 | 7.08 | 7.25 | 7.07 | 7.17 | 934 | NYSE | AMRC | Mon, Apr 7, 2014 | 7.26 | 7.30 | 7.00 | 7.03 | 933 | NYSE | AMRC | Fri, Apr 4, 2014 | 7.59 | 7.60 | 7.25 | 7.28 | 932 | NYSE | AMRC | Thu, Apr 3, 2014 | 7.58 | 7.67 | 7.52 | 7.58 | 931 | NYSE | AMRC | Wed, Apr 2, 2014 | 7.65 | 7.73 | 7.56 | 7.59 | 930 | NYSE | AMRC | Tue, Apr 1, 2014 | 7.71 | 7.79 | 7.57 | 7.62 | 929 | NYSE | AMRC | Mon, Mar 31, 2014 | 7.71 | 7.82 | 7.56 | 7.56 | 928 | NYSE | AMRC | Fri, Mar 28, 2014 | 7.68 | 7.76 | 7.55 | 7.67 | 927 | NYSE | AMRC | Thu, Mar 27, 2014 | 7.66 | 7.78 | 7.60 | 7.69 | 926 | NYSE | AMRC | Wed, Mar 26, 2014 | 8.02 | 8.17 | 7.70 | 7.70 | 925 | NYSE | AMRC | Tue, Mar 25, 2014 | 7.92 | 7.98 | 7.70 | 7.88 | 924 | NYSE | AMRC | Mon, Mar 24, 2014 | 8.01 | 8.10 | 7.71 | 7.84 | 923 | NYSE | AMRC | Fri, Mar 21, 2014 | 7.87 | 7.98 | 7.74 | 7.94 | 922 | NYSE | AMRC | Thu, Mar 20, 2014 | 7.76 | 7.86 | 7.67 | 7.80 | 921 | NYSE | AMRC | Wed, Mar 19, 2014 | 7.65 | 7.83 | 7.60 | 7.74 | 920 | NYSE | AMRC | Tue, Mar 18, 2014 | 7.76 | 7.88 | 7.50 | 7.52 | 919 | NYSE | AMRC | Mon, Mar 17, 2014 | 7.59 | 7.85 | 7.41 | 7.48 | 918 | NYSE | AMRC | Fri, Mar 14, 2014 | 8.03 | 8.14 | 7.50 | 7.52 | 917 | NYSE | AMRC | Thu, Mar 13, 2014 | 9.60 | 9.70 | 8.00 | 8.15 | 916 | NYSE | AMRC | Wed, Mar 12, 2014 | 9.83 | 9.98 | 9.79 | 9.88 | 915 | NYSE | AMRC | Tue, Mar 11, 2014 | 10.13 | 10.13 | 9.79 | 9.85 | 914 | NYSE | AMRC | Mon, Mar 10, 2014 | 10.11 | 10.15 | 10.01 | 10.09 | 913 | NYSE | AMRC | Fri, Mar 7, 2014 | 10.22 | 10.22 | 10.04 | 10.11 | 912 | NYSE | AMRC | Thu, Mar 6, 2014 | 10.25 | 10.39 | 10.14 | 10.16 | 911 | NYSE | AMRC | Wed, Mar 5, 2014 | 10.41 | 10.42 | 10.13 | 10.20 | 910 | NYSE | AMRC | Tue, Mar 4, 2014 | 10.14 | 10.62 | 10.14 | 10.46 | 909 | NYSE | AMRC | Mon, Mar 3, 2014 | 10.16 | 10.35 | 9.89 | 9.99 | 908 | NYSE | AMRC | Fri, Feb 28, 2014 | 10.42 | 10.57 | 10.23 | 10.26 | 907 | NYSE | AMRC | Thu, Feb 27, 2014 | 9.94 | 10.39 | 9.85 | 10.38 | 906 | NYSE | AMRC | Wed, Feb 26, 2014 | 9.52 | 10.00 | 9.52 | 9.96 | 905 | NYSE | AMRC | Tue, Feb 25, 2014 | 9.55 | 9.65 | 9.45 | 9.54 | 904 | NYSE | AMRC | Mon, Feb 24, 2014 | 9.52 | 9.84 | 9.51 | 9.57 | 903 | NYSE | AMRC | Fri, Feb 21, 2014 | 9.67 | 9.78 | 9.45 | 9.48 | 902 | NYSE | AMRC | Thu, Feb 20, 2014 | 9.46 | 9.54 | 9.46 | 9.46 | 901 | NYSE | AMRC | Wed, Feb 19, 2014 | 9.49 | 9.62 | 9.46 | 9.46 | 900 | NYSE | AMRC | Tue, Feb 18, 2014 | 9.68 | 9.68 | 9.51 | 9.56 | 899 | NYSE | AMRC | Fri, Feb 14, 2014 | 9.77 | 9.79 | 9.58 | 9.61 | 898 | NYSE | AMRC | Thu, Feb 13, 2014 | 9.50 | 9.80 | 9.47 | 9.76 | 897 | NYSE | AMRC | Wed, Feb 12, 2014 | 9.66 | 9.73 | 9.48 | 9.52 | 896 | NYSE | AMRC | Tue, Feb 11, 2014 | 9.59 | 9.79 | 9.53 | 9.67 | 895 | NYSE | AMRC | Mon, Feb 10, 2014 | 9.34 | 9.57 | 9.33 | 9.55 | 894 | NYSE | AMRC | Fri, Feb 7, 2014 | 9.07 | 9.34 | 9.07 | 9.32 | 893 | NYSE | AMRC | Thu, Feb 6, 2014 | 8.99 | 9.07 | 8.77 | 9.01 | 892 | NYSE | AMRC | Wed, Feb 5, 2014 | 9.24 | 9.26 | 8.96 | 9.02 | 891 | NYSE | AMRC | Tue, Feb 4, 2014 | 9.44 | 9.56 | 9.25 | 9.25 | 890 | NYSE | AMRC | Mon, Feb 3, 2014 | 9.82 | 9.96 | 9.35 | 9.42 | 889 | NYSE | AMRC | Fri, Jan 31, 2014 | 9.74 | 9.91 | 9.66 | 9.86 | 888 | NYSE | AMRC | Thu, Jan 30, 2014 | 10.10 | 10.10 | 9.88 | 9.88 | 887 | NYSE | AMRC | Wed, Jan 29, 2014 | 10.06 | 10.13 | 9.91 | 10.00 | 886 | NYSE | AMRC | Tue, Jan 28, 2014 | 9.97 | 10.19 | 9.87 | 10.12 | 885 | NYSE | AMRC | Mon, Jan 27, 2014 | 9.99 | 10.11 | 9.75 | 9.94 | 884 | NYSE | AMRC | Fri, Jan 24, 2014 | 10.50 | 10.59 | 9.81 | 10.00 | 883 | NYSE | AMRC | Thu, Jan 23, 2014 | 10.77 | 10.77 | 10.01 | 10.60 | 882 | NYSE | AMRC | Wed, Jan 22, 2014 | 10.69 | 10.81 | 10.56 | 10.80 | 881 | NYSE | AMRC | Tue, Jan 21, 2014 | 10.53 | 10.71 | 10.38 | 10.70 | 880 | NYSE | AMRC | Fri, Jan 17, 2014 | 10.64 | 10.68 | 10.42 | 10.45 | 879 | NYSE | AMRC | Thu, Jan 16, 2014 | 10.59 | 10.73 | 10.53 | 10.68 | 878 | NYSE | AMRC | Wed, Jan 15, 2014 | 10.38 | 10.68 | 10.33 | 10.59 | 877 | NYSE | AMRC | Tue, Jan 14, 2014 | 10.32 | 10.42 | 10.29 | 10.37 | 876 | NYSE | AMRC | Mon, Jan 13, 2014 | 10.30 | 10.40 | 10.23 | 10.34 | 875 | NYSE | AMRC | Fri, Jan 10, 2014 | 10.20 | 10.35 | 10.18 | 10.30 | 874 | NYSE | AMRC | Thu, Jan 9, 2014 | 10.17 | 10.25 | 10.08 | 10.20 | 873 | NYSE | AMRC | Wed, Jan 8, 2014 | 9.94 | 10.25 | 9.90 | 10.12 | 872 | NYSE | AMRC | Tue, Jan 7, 2014 | 9.75 | 9.98 | 9.75 | 9.95 | 871 | NYSE | AMRC | Mon, Jan 6, 2014 | 10.00 | 10.00 | 9.72 | 9.74 | 870 | NYSE | AMRC | Fri, Jan 3, 2014 | 9.77 | 10.08 | 9.77 | 9.94 | 869 | NYSE | AMRC | Thu, Jan 2, 2014 | 9.67 | 9.89 | 9.50 | 9.78 | 868 | NYSE | AMRC | Tue, Dec 31, 2013 | 9.58 | 9.79 | 9.57 | 9.66 | 867 | NYSE | AMRC | Mon, Dec 30, 2013 | 9.62 | 9.98 | 9.59 | 9.61 | 866 | NYSE | AMRC | Fri, Dec 27, 2013 | 9.74 | 9.80 | 9.62 | 9.64 | 865 | NYSE | AMRC | Thu, Dec 26, 2013 | 9.85 | 9.98 | 9.70 | 9.70 | 864 | NYSE | AMRC | Tue, Dec 24, 2013 | 9.52 | 9.98 | 9.52 | 9.84 | 863 | NYSE | AMRC | Mon, Dec 23, 2013 | 9.26 | 9.51 | 9.16 | 9.45 | 862 | NYSE | AMRC | Fri, Dec 20, 2013 | 9.16 | 9.44 | 9.16 | 9.25 | 861 | NYSE | AMRC | Thu, Dec 19, 2013 | 9.11 | 9.23 | 9.09 | 9.12 | 860 | NYSE | AMRC | Wed, Dec 18, 2013 | 9.21 | 9.33 | 9.03 | 9.14 | 859 | NYSE | AMRC | Tue, Dec 17, 2013 | 9.09 | 9.25 | 9.00 | 9.24 | 858 | NYSE | AMRC | Mon, Dec 16, 2013 | 9.08 | 9.14 | 9.03 | 9.11 | 857 | NYSE | AMRC | Fri, Dec 13, 2013 | 9.05 | 9.20 | 9.01 | 9.02 | 856 | NYSE | AMRC | Thu, Dec 12, 2013 | 9.00 | 9.08 | 9.00 | 9.01 | 855 | NYSE | AMRC | Wed, Dec 11, 2013 | 9.00 | 9.03 | 9.00 | 9.00 | 854 | NYSE | AMRC | Tue, Dec 10, 2013 | 9.00 | 9.10 | 8.99 | 9.01 | 853 | NYSE | AMRC | Mon, Dec 9, 2013 | 9.07 | 9.14 | 9.00 | 9.06 | 852 | NYSE | AMRC | Fri, Dec 6, 2013 | 9.11 | 9.20 | 9.00 | 9.04 | 851 | NYSE | AMRC | Thu, Dec 5, 2013 | 8.99 | 9.07 | 8.98 | 9.01 | 850 | NYSE | AMRC | Wed, Dec 4, 2013 | 9.06 | 9.13 | 8.98 | 9.03 | 849 | NYSE | AMRC | Tue, Dec 3, 2013 | 9.00 | 9.15 | 8.98 | 9.07 | 848 | NYSE | AMRC | Mon, Dec 2, 2013 | 9.20 | 9.23 | 9.00 | 9.04 | 847 | NYSE | AMRC | Fri, Nov 29, 2013 | 9.25 | 9.26 | 9.16 | 9.18 | 846 | NYSE | AMRC | Wed, Nov 27, 2013 | 9.17 | 9.30 | 9.14 | 9.19 | 845 | NYSE | AMRC | Tue, Nov 26, 2013 | 9.12 | 9.29 | 9.10 | 9.18 | 844 | NYSE | AMRC | Mon, Nov 25, 2013 | 9.01 | 9.18 | 9.01 | 9.14 | 843 | NYSE | AMRC | Fri, Nov 22, 2013 | 9.05 | 9.11 | 8.95 | 9.01 | 842 | NYSE | AMRC | Thu, Nov 21, 2013 | 8.88 | 9.30 | 8.87 | 9.02 | 841 | NYSE | AMRC | Wed, Nov 20, 2013 | 8.62 | 9.00 | 8.62 | 8.84 | 840 | NYSE | AMRC | Tue, Nov 19, 2013 | 8.51 | 8.70 | 8.50 | 8.59 | 839 | NYSE | AMRC | Mon, Nov 18, 2013 | 8.52 | 8.69 | 8.43 | 8.46 | 838 | NYSE | AMRC | Fri, Nov 15, 2013 | 8.59 | 8.69 | 8.53 | 8.55 | 837 | NYSE | AMRC | Thu, Nov 14, 2013 | 8.77 | 8.88 | 8.52 | 8.61 | 836 | NYSE | AMRC | Wed, Nov 13, 2013 | 8.51 | 8.90 | 8.51 | 8.79 | 835 | NYSE | AMRC | Tue, Nov 12, 2013 | 8.50 | 8.73 | 8.49 | 8.57 | 834 | NYSE | AMRC | Mon, Nov 11, 2013 | 8.87 | 8.94 | 8.32 | 8.55 | 833 | NYSE | AMRC | Fri, Nov 8, 2013 | 9.17 | 9.38 | 8.90 | 8.92 | 832 | NYSE | AMRC | Thu, Nov 7, 2013 | 10.20 | 10.36 | 9.25 | 9.31 | 831 | NYSE | AMRC | Wed, Nov 6, 2013 | 10.22 | 10.71 | 10.20 | 10.23 | 830 | NYSE | AMRC | Tue, Nov 5, 2013 | 10.15 | 10.34 | 10.10 | 10.15 | 829 | NYSE | AMRC | Mon, Nov 4, 2013 | 10.23 | 10.30 | 10.15 | 10.22 | 828 | NYSE | AMRC | Fri, Nov 1, 2013 | 10.42 | 10.48 | 10.03 | 10.23 | 827 | NYSE | AMRC | Thu, Oct 31, 2013 | 10.55 | 10.60 | 10.30 | 10.46 | 826 | NYSE | AMRC | Wed, Oct 30, 2013 | 10.58 | 10.72 | 10.29 | 10.58 | 825 | NYSE | AMRC | Tue, Oct 29, 2013 | 10.56 | 10.66 | 10.10 | 10.59 | 824 | NYSE | AMRC | Mon, Oct 28, 2013 | 10.68 | 10.80 | 10.44 | 10.56 | 823 | NYSE | AMRC | Fri, Oct 25, 2013 | 10.70 | 10.74 | 10.44 | 10.66 | 822 | NYSE | AMRC | Thu, Oct 24, 2013 | 10.68 | 10.72 | 10.62 | 10.66 | 821 | NYSE | AMRC | Wed, Oct 23, 2013 | 10.48 | 10.73 | 10.38 | 10.69 | 820 | NYSE | AMRC | Tue, Oct 22, 2013 | 10.80 | 10.84 | 10.41 | 10.49 | 819 | NYSE | AMRC | Mon, Oct 21, 2013 | 10.51 | 10.88 | 10.42 | 10.76 | 818 | NYSE | AMRC | Fri, Oct 18, 2013 | 10.24 | 10.54 | 10.16 | 10.53 | 817 | NYSE | AMRC | Thu, Oct 17, 2013 | 10.10 | 10.35 | 10.00 | 10.16 | 816 | NYSE | AMRC | Wed, Oct 16, 2013 | 10.20 | 10.33 | 10.02 | 10.16 | 815 | NYSE | AMRC | Tue, Oct 15, 2013 | 10.35 | 10.42 | 10.16 | 10.18 | 814 | NYSE | AMRC | Mon, Oct 14, 2013 | 10.31 | 10.43 | 10.23 | 10.35 | 813 | NYSE | AMRC | Fri, Oct 11, 2013 | 9.98 | 10.45 | 9.98 | 10.38 | 812 | NYSE | AMRC | Thu, Oct 10, 2013 | 9.85 | 10.09 | 9.81 | 9.98 | 811 | NYSE | AMRC | Wed, Oct 9, 2013 | 9.72 | 9.75 | 9.61 | 9.73 | 810 | NYSE | AMRC | Tue, Oct 8, 2013 | 9.75 | 9.94 | 9.66 | 9.70 | 809 | NYSE | AMRC | Mon, Oct 7, 2013 | 9.76 | 9.88 | 9.65 | 9.77 | 808 | NYSE | AMRC | Fri, Oct 4, 2013 | 10.02 | 10.09 | 9.84 | 9.87 | 807 | NYSE | AMRC | Thu, Oct 3, 2013 | 9.86 | 10.18 | 9.77 | 10.03 | 806 | NYSE | AMRC | Wed, Oct 2, 2013 | 10.19 | 10.19 | 9.90 | 9.90 | 805 | NYSE | AMRC | Tue, Oct 1, 2013 | 10.10 | 10.35 | 9.96 | 10.20 | 804 | NYSE | AMRC | Mon, Sep 30, 2013 | 9.60 | 10.05 | 9.55 | 10.02 | 803 | NYSE | AMRC | Fri, Sep 27, 2013 | 9.78 | 9.91 | 9.52 | 9.65 | 802 | NYSE | AMRC | Thu, Sep 26, 2013 | 9.87 | 9.94 | 9.75 | 9.81 | 801 | NYSE | AMRC | Wed, Sep 25, 2013 | 9.90 | 10.17 | 9.75 | 9.88 | 800 | NYSE | AMRC | Tue, Sep 24, 2013 | 10.20 | 10.21 | 9.93 | 9.95 | 799 | NYSE | AMRC | Mon, Sep 23, 2013 | 10.01 | 10.34 | 9.94 | 10.19 | 798 | NYSE | AMRC | Fri, Sep 20, 2013 | 9.83 | 10.35 | 9.78 | 10.01 | 797 | NYSE | AMRC | Thu, Sep 19, 2013 | 9.43 | 9.84 | 9.40 | 9.78 | 796 | NYSE | AMRC | Wed, Sep 18, 2013 | 9.04 | 9.50 | 9.04 | 9.45 | 795 | NYSE | AMRC | Tue, Sep 17, 2013 | 8.76 | 9.02 | 8.65 | 9.02 | 794 | NYSE | AMRC | Mon, Sep 16, 2013 | 8.69 | 8.87 | 8.69 | 8.76 | 793 | NYSE | AMRC | Fri, Sep 13, 2013 | 8.45 | 8.65 | 8.41 | 8.59 | 792 | NYSE | AMRC | Thu, Sep 12, 2013 | 8.54 | 8.60 | 8.46 | 8.46 | 791 | NYSE | AMRC | Wed, Sep 11, 2013 | 8.52 | 8.65 | 8.47 | 8.53 | 790 | NYSE | AMRC | Tue, Sep 10, 2013 | 8.49 | 8.60 | 8.45 | 8.58 | 789 | NYSE | AMRC | Mon, Sep 9, 2013 | 8.34 | 8.51 | 8.31 | 8.48 | 788 | NYSE | AMRC | Fri, Sep 6, 2013 | 8.39 | 8.53 | 8.25 | 8.34 | 787 | NYSE | AMRC | Thu, Sep 5, 2013 | 8.42 | 8.52 | 8.27 | 8.33 | 786 | NYSE | AMRC | Wed, Sep 4, 2013 | 8.44 | 8.64 | 8.34 | 8.44 | 785 | NYSE | AMRC | Tue, Sep 3, 2013 | 8.63 | 8.68 | 8.40 | 8.45 | 784 | NYSE | AMRC | Fri, Aug 30, 2013 | 8.64 | 8.66 | 8.48 | 8.56 | 783 | NYSE | AMRC | Thu, Aug 29, 2013 | 8.69 | 8.85 | 8.63 | 8.67 | 782 | NYSE | AMRC | Wed, Aug 28, 2013 | 8.56 | 8.76 | 8.54 | 8.64 | 781 | NYSE | AMRC | Tue, Aug 27, 2013 | 8.72 | 8.75 | 8.53 | 8.56 | 780 | NYSE | AMRC | Mon, Aug 26, 2013 | 8.56 | 8.86 | 8.56 | 8.80 | 779 | NYSE | AMRC | Fri, Aug 23, 2013 | 8.76 | 8.88 | 8.44 | 8.54 | 778 | NYSE | AMRC | Thu, Aug 22, 2013 | 8.41 | 8.84 | 8.41 | 8.71 | 777 | NYSE | AMRC | Wed, Aug 21, 2013 | 8.34 | 8.51 | 8.26 | 8.44 | 776 | NYSE | AMRC | Tue, Aug 20, 2013 | 8.30 | 8.49 | 8.30 | 8.39 | 775 | NYSE | AMRC | Mon, Aug 19, 2013 | 8.50 | 8.56 | 8.27 | 8.31 | 774 | NYSE | AMRC | Fri, Aug 16, 2013 | 8.56 | 8.60 | 8.47 | 8.50 | 773 | NYSE | AMRC | Thu, Aug 15, 2013 | 8.60 | 8.72 | 8.55 | 8.60 | 772 | NYSE | AMRC | Wed, Aug 14, 2013 | 8.86 | 8.89 | 8.62 | 8.66 | 771 | NYSE | AMRC | Tue, Aug 13, 2013 | 8.41 | 8.84 | 8.41 | 8.74 | 770 | NYSE | AMRC | Mon, Aug 12, 2013 | 8.47 | 8.58 | 8.34 | 8.42 | 769 | NYSE | AMRC | Fri, Aug 9, 2013 | 8.94 | 9.04 | 8.37 | 8.47 | 768 | NYSE | AMRC | Thu, Aug 8, 2013 | 8.15 | 9.10 | 8.00 | 8.99 | 767 | NYSE | AMRC | Wed, Aug 7, 2013 | 9.08 | 9.10 | 8.98 | 8.99 | 766 | NYSE | AMRC | Tue, Aug 6, 2013 | 9.22 | 9.22 | 9.01 | 9.07 | 765 | NYSE | AMRC | Mon, Aug 5, 2013 | 9.09 | 9.35 | 9.00 | 9.29 | 764 | NYSE | AMRC | Fri, Aug 2, 2013 | 8.93 | 9.14 | 8.91 | 9.13 | 763 | NYSE | AMRC | Thu, Aug 1, 2013 | 9.17 | 9.18 | 8.86 | 8.99 | 762 | NYSE | AMRC | Wed, Jul 31, 2013 | 9.21 | 9.22 | 9.01 | 9.14 | 761 | NYSE | AMRC | Tue, Jul 30, 2013 | 9.26 | 9.33 | 9.11 | 9.22 | 760 | NYSE | AMRC | Mon, Jul 29, 2013 | 9.23 | 9.33 | 9.16 | 9.26 | 759 | NYSE | AMRC | Fri, Jul 26, 2013 | 9.33 | 9.34 | 9.13 | 9.28 | 758 | NYSE | AMRC | Thu, Jul 25, 2013 | 9.41 | 9.48 | 9.30 | 9.38 | 757 | NYSE | AMRC | Wed, Jul 24, 2013 | 9.50 | 9.54 | 9.36 | 9.45 | 756 | NYSE | AMRC | Tue, Jul 23, 2013 | 9.47 | 9.54 | 9.39 | 9.49 | 755 | NYSE | AMRC | Mon, Jul 22, 2013 | 9.47 | 9.49 | 9.24 | 9.42 | 754 | NYSE | AMRC | Fri, Jul 19, 2013 | 9.41 | 9.47 | 9.32 | 9.47 | 753 | NYSE | AMRC | Thu, Jul 18, 2013 | 9.53 | 9.53 | 9.18 | 9.39 | 752 | NYSE | AMRC | Wed, Jul 17, 2013 | 9.43 | 9.51 | 9.32 | 9.47 | 751 | NYSE | AMRC | Tue, Jul 16, 2013 | 9.43 | 9.46 | 9.31 | 9.42 | 750 | NYSE | AMRC | Mon, Jul 15, 2013 | 9.21 | 9.49 | 9.20 | 9.46 | 749 | NYSE | AMRC | Fri, Jul 12, 2013 | 9.45 | 9.48 | 9.13 | 9.25 | 748 | NYSE | AMRC | Thu, Jul 11, 2013 | 9.47 | 9.67 | 9.33 | 9.47 | 747 | NYSE | AMRC | Wed, Jul 10, 2013 | 9.40 | 9.48 | 9.32 | 9.43 | 746 | NYSE | AMRC | Tue, Jul 9, 2013 | 9.18 | 9.39 | 9.09 | 9.39 | 745 | NYSE | AMRC | Mon, Jul 8, 2013 | 9.23 | 9.25 | 9.05 | 9.16 | 744 | NYSE | AMRC | Fri, Jul 5, 2013 | 9.46 | 9.46 | 9.11 | 9.22 | 743 | NYSE | AMRC | Wed, Jul 3, 2013 | 9.21 | 9.39 | 9.13 | 9.34 | 742 | NYSE | AMRC | Tue, Jul 2, 2013 | 9.31 | 9.64 | 9.12 | 9.19 | 741 | NYSE | AMRC | Mon, Jul 1, 2013 | 9.02 | 9.27 | 8.89 | 9.25 | 740 | NYSE | AMRC | Fri, Jun 28, 2013 | 8.78 | 9.01 | 8.72 | 9.01 | 739 | NYSE | AMRC | Thu, Jun 27, 2013 | 8.77 | 8.87 | 8.65 | 8.81 | 738 | NYSE | AMRC | Wed, Jun 26, 2013 | 8.85 | 8.91 | 8.55 | 8.75 | 737 | NYSE | AMRC | Tue, Jun 25, 2013 | 9.06 | 9.11 | 8.70 | 8.80 | 736 | NYSE | AMRC | Mon, Jun 24, 2013 | 8.92 | 9.19 | 8.75 | 9.00 | 735 | NYSE | AMRC | Fri, Jun 21, 2013 | 9.34 | 9.36 | 8.75 | 8.99 | 734 | NYSE | AMRC | Thu, Jun 20, 2013 | 9.28 | 9.48 | 9.18 | 9.31 | 733 | NYSE | AMRC | Wed, Jun 19, 2013 | 9.67 | 9.67 | 9.35 | 9.40 | 732 | NYSE | AMRC | Tue, Jun 18, 2013 | 9.25 | 9.82 | 9.23 | 9.65 | 731 | NYSE | AMRC | Mon, Jun 17, 2013 | 8.88 | 9.22 | 8.82 | 9.21 | 730 | NYSE | AMRC | Fri, Jun 14, 2013 | 8.83 | 8.90 | 8.76 | 8.80 | 729 | NYSE | AMRC | Thu, Jun 13, 2013 | 8.73 | 8.83 | 8.62 | 8.82 | 728 | NYSE | AMRC | Wed, Jun 12, 2013 | 8.80 | 8.80 | 8.64 | 8.75 | 727 | NYSE | AMRC | Tue, Jun 11, 2013 | 8.79 | 8.88 | 8.67 | 8.77 | 726 | NYSE | AMRC | Mon, Jun 10, 2013 | 8.65 | 8.94 | 8.57 | 8.86 | 725 | NYSE | AMRC | Fri, Jun 7, 2013 | 8.66 | 8.68 | 8.54 | 8.60 | 724 | NYSE | AMRC | Thu, Jun 6, 2013 | 8.58 | 8.64 | 8.44 | 8.63 | 723 | NYSE | AMRC | Wed, Jun 5, 2013 | 8.59 | 8.64 | 8.56 | 8.60 | 722 | NYSE | AMRC | Tue, Jun 4, 2013 | 8.60 | 8.66 | 8.53 | 8.60 | 721 | NYSE | AMRC | Mon, Jun 3, 2013 | 8.32 | 8.58 | 8.25 | 8.56 | 720 | NYSE | AMRC | Fri, May 31, 2013 | 8.25 | 8.40 | 8.15 | 8.26 | 719 | NYSE | AMRC | Thu, May 30, 2013 | 8.13 | 8.65 | 8.13 | 8.39 | 718 | NYSE | AMRC | Wed, May 29, 2013 | 8.20 | 8.27 | 8.07 | 8.15 | 717 | NYSE | AMRC | Tue, May 28, 2013 | 8.37 | 8.54 | 8.20 | 8.27 | 716 | NYSE | AMRC | Fri, May 24, 2013 | 8.24 | 8.34 | 8.11 | 8.26 | 715 | NYSE | AMRC | Thu, May 23, 2013 | 8.05 | 8.28 | 8.01 | 8.20 | 714 | NYSE | AMRC | Wed, May 22, 2013 | 8.44 | 8.44 | 8.17 | 8.23 | 713 | NYSE | AMRC | Tue, May 21, 2013 | 8.18 | 8.57 | 8.13 | 8.36 | 712 | NYSE | AMRC | Mon, May 20, 2013 | 8.13 | 8.32 | 8.08 | 8.17 | 711 | NYSE | AMRC | Fri, May 17, 2013 | 8.20 | 8.25 | 8.06 | 8.11 | 710 | NYSE | AMRC | Thu, May 16, 2013 | 7.90 | 8.63 | 7.84 | 8.13 | 709 | NYSE | AMRC | Wed, May 15, 2013 | 7.77 | 7.89 | 7.73 | 7.82 | 708 | NYSE | AMRC | Tue, May 14, 2013 | 7.80 | 7.87 | 7.60 | 7.81 | 707 | NYSE | AMRC | Mon, May 13, 2013 | 7.40 | 7.78 | 7.40 | 7.78 | 706 | NYSE | AMRC | Fri, May 10, 2013 | 7.49 | 7.53 | 7.28 | 7.41 | 705 | NYSE | AMRC | Thu, May 9, 2013 | 7.19 | 7.64 | 7.01 | 7.50 | 704 | NYSE | AMRC | Wed, May 8, 2013 | 7.57 | 7.70 | 7.39 | 7.41 | 703 | NYSE | AMRC | Tue, May 7, 2013 | 7.11 | 7.76 | 7.11 | 7.57 | 702 | NYSE | AMRC | Mon, May 6, 2013 | 7.18 | 7.31 | 7.01 | 7.10 | 701 | NYSE | AMRC | Fri, May 3, 2013 | 7.15 | 7.39 | 7.15 | 7.20 | 700 | NYSE | AMRC | Thu, May 2, 2013 | 7.17 | 7.25 | 7.13 | 7.13 | 699 | NYSE | AMRC | Wed, May 1, 2013 | 7.37 | 7.48 | 7.04 | 7.06 | 698 | NYSE | AMRC | Tue, Apr 30, 2013 | 7.75 | 7.78 | 7.30 | 7.37 | 697 | NYSE | AMRC | Mon, Apr 29, 2013 | 7.65 | 7.81 | 7.61 | 7.72 | 696 | NYSE | AMRC | Fri, Apr 26, 2013 | 7.52 | 7.63 | 7.42 | 7.60 | 695 | NYSE | AMRC | Thu, Apr 25, 2013 | 7.34 | 7.54 | 7.23 | 7.51 | 694 | NYSE | AMRC | Wed, Apr 24, 2013 | 7.18 | 7.29 | 7.15 | 7.27 | 693 | NYSE | AMRC | Tue, Apr 23, 2013 | 7.30 | 7.35 | 7.10 | 7.15 | 692 | NYSE | AMRC | Mon, Apr 22, 2013 | 7.40 | 7.40 | 7.13 | 7.26 | 691 | NYSE | AMRC | Fri, Apr 19, 2013 | 7.43 | 7.49 | 7.27 | 7.33 | 690 | NYSE | AMRC | Thu, Apr 18, 2013 | 7.28 | 7.73 | 7.21 | 7.36 | 689 | NYSE | AMRC | Wed, Apr 17, 2013 | 7.39 | 7.44 | 7.06 | 7.23 | 688 | NYSE | AMRC | Tue, Apr 16, 2013 | 7.23 | 7.42 | 7.08 | 7.39 | 687 | NYSE | AMRC | Mon, Apr 15, 2013 | 7.40 | 7.41 | 7.16 | 7.20 | 686 | NYSE | AMRC | Fri, Apr 12, 2013 | 7.37 | 7.50 | 7.35 | 7.43 | 685 | NYSE | AMRC | Thu, Apr 11, 2013 | 7.32 | 7.57 | 7.21 | 7.42 | 684 | NYSE | AMRC | Wed, Apr 10, 2013 | 7.13 | 7.39 | 7.08 | 7.32 | 683 | NYSE | AMRC | Tue, Apr 9, 2013 | 7.07 | 7.27 | 7.03 | 7.11 | 682 | NYSE | AMRC | Mon, Apr 8, 2013 | 7.14 | 7.19 | 6.90 | 7.04 | 681 | NYSE | AMRC | Fri, Apr 5, 2013 | 7.01 | 7.17 | 6.96 | 7.14 | 680 | NYSE | AMRC | Thu, Apr 4, 2013 | 7.27 | 7.34 | 6.93 | 7.15 | 679 | NYSE | AMRC | Wed, Apr 3, 2013 | 7.28 | 7.41 | 7.24 | 7.28 | 678 | NYSE | AMRC | Tue, Apr 2, 2013 | 7.23 | 7.42 | 7.18 | 7.27 | 677 | NYSE | AMRC | Mon, Apr 1, 2013 | 7.40 | 7.50 | 7.15 | 7.18 | 676 | NYSE | AMRC | Thu, Mar 28, 2013 | 7.54 | 7.59 | 7.35 | 7.40 | 675 | NYSE | AMRC | Wed, Mar 27, 2013 | 7.50 | 7.62 | 7.41 | 7.51 | 674 | NYSE | AMRC | Tue, Mar 26, 2013 | 7.32 | 7.63 | 7.26 | 7.53 | 673 | NYSE | AMRC | Mon, Mar 25, 2013 | 7.00 | 7.47 | 7.00 | 7.32 | 672 | NYSE | AMRC | Fri, Mar 22, 2013 | 6.81 | 7.08 | 6.77 | 6.99 | 671 | NYSE | AMRC | Thu, Mar 21, 2013 | 6.56 | 7.02 | 6.56 | 6.81 | 670 | NYSE | AMRC | Wed, Mar 20, 2013 | 7.20 | 7.37 | 6.64 | 6.70 | 669 | NYSE | AMRC | Tue, Mar 19, 2013 | 7.52 | 7.56 | 6.94 | 7.12 | 668 | NYSE | AMRC | Mon, Mar 18, 2013 | 7.62 | 7.74 | 7.50 | 7.55 | 667 | NYSE | AMRC | Fri, Mar 15, 2013 | 7.75 | 7.75 | 7.50 | 7.65 | 666 | NYSE | AMRC | Thu, Mar 14, 2013 | 7.80 | 7.80 | 7.60 | 7.69 | 665 | NYSE | AMRC | Wed, Mar 13, 2013 | 7.93 | 7.95 | 7.67 | 7.79 | 664 | NYSE | AMRC | Tue, Mar 12, 2013 | 7.98 | 7.98 | 7.90 | 7.92 | 663 | NYSE | AMRC | Mon, Mar 11, 2013 | 7.92 | 8.03 | 7.88 | 7.98 | 662 | NYSE | AMRC | Fri, Mar 8, 2013 | 8.13 | 8.13 | 7.88 | 7.98 | 661 | NYSE | AMRC | Thu, Mar 7, 2013 | 8.11 | 8.22 | 8.01 | 8.06 | 660 | NYSE | AMRC | Wed, Mar 6, 2013 | 7.53 | 8.22 | 7.51 | 8.12 | 659 | NYSE | AMRC | Tue, Mar 5, 2013 | 7.72 | 7.77 | 7.50 | 7.52 | 658 | NYSE | AMRC | Mon, Mar 4, 2013 | 8.05 | 8.09 | 7.66 | 7.70 | 657 | NYSE | AMRC | Fri, Mar 1, 2013 | 8.19 | 8.28 | 8.05 | 8.09 | 656 | NYSE | AMRC | Thu, Feb 28, 2013 | 8.15 | 8.35 | 8.15 | 8.31 | 655 | NYSE | AMRC | Wed, Feb 27, 2013 | 8.17 | 8.35 | 8.13 | 8.16 | 654 | NYSE | AMRC | Tue, Feb 26, 2013 | 8.26 | 8.39 | 8.16 | 8.18 | 653 | NYSE | AMRC | Mon, Feb 25, 2013 | 8.51 | 8.54 | 8.25 | 8.25 | 652 | NYSE | AMRC | Fri, Feb 22, 2013 | 8.25 | 8.45 | 8.20 | 8.44 | 651 | NYSE | AMRC | Thu, Feb 21, 2013 | 8.51 | 8.51 | 8.06 | 8.24 | 650 | NYSE | AMRC | Wed, Feb 20, 2013 | 8.75 | 8.83 | 8.38 | 8.46 | 649 | NYSE | AMRC | Tue, Feb 19, 2013 | 8.82 | 8.85 | 8.69 | 8.80 | 648 | NYSE | AMRC | Fri, Feb 15, 2013 | 9.02 | 9.02 | 8.68 | 8.83 | 647 | NYSE | AMRC | Thu, Feb 14, 2013 | 8.93 | 9.07 | 8.79 | 8.97 | 646 | NYSE | AMRC | Wed, Feb 13, 2013 | 9.04 | 9.11 | 8.86 | 8.89 | 645 | NYSE | AMRC | Tue, Feb 12, 2013 | 9.03 | 9.12 | 8.91 | 9.08 | 644 | NYSE | AMRC | Mon, Feb 11, 2013 | 9.26 | 9.43 | 9.00 | 9.09 | 643 | NYSE | AMRC | Fri, Feb 8, 2013 | 9.18 | 9.32 | 9.18 | 9.25 | 642 | NYSE | AMRC | Thu, Feb 7, 2013 | 9.33 | 9.33 | 9.11 | 9.20 | 641 | NYSE | AMRC | Wed, Feb 6, 2013 | 9.19 | 9.31 | 9.13 | 9.30 | 640 | NYSE | AMRC | Tue, Feb 5, 2013 | 9.19 | 9.26 | 9.14 | 9.25 | 639 | NYSE | AMRC | Mon, Feb 4, 2013 | 9.30 | 9.31 | 9.10 | 9.17 | 638 | NYSE | AMRC | Fri, Feb 1, 2013 | 9.52 | 9.83 | 9.30 | 9.33 | 637 | NYSE | AMRC | Thu, Jan 31, 2013 | 9.75 | 9.95 | 9.61 | 9.84 | 636 | NYSE | AMRC | Wed, Jan 30, 2013 | 9.89 | 9.93 | 9.72 | 9.80 | 635 | NYSE | AMRC | Tue, Jan 29, 2013 | 9.86 | 9.96 | 9.80 | 9.93 | 634 | NYSE | AMRC | Mon, Jan 28, 2013 | 9.53 | 9.87 | 9.35 | 9.86 | 633 | NYSE | AMRC | Fri, Jan 25, 2013 | 9.39 | 9.79 | 9.37 | 9.54 | 632 | NYSE | AMRC | Thu, Jan 24, 2013 | 9.24 | 9.65 | 9.24 | 9.37 | 631 | NYSE | AMRC | Wed, Jan 23, 2013 | 9.67 | 9.67 | 9.25 | 9.25 | 630 | NYSE | AMRC | Tue, Jan 22, 2013 | 9.49 | 9.77 | 9.47 | 9.73 | 629 | NYSE | AMRC | Fri, Jan 18, 2013 | 9.44 | 9.54 | 9.35 | 9.50 | 628 | NYSE | AMRC | Thu, Jan 17, 2013 | 9.35 | 9.50 | 9.33 | 9.41 | 627 | NYSE | AMRC | Wed, Jan 16, 2013 | 9.70 | 9.74 | 9.32 | 9.35 | 626 | NYSE | AMRC | Tue, Jan 15, 2013 | 9.35 | 9.67 | 9.35 | 9.62 | 625 | NYSE | AMRC | Mon, Jan 14, 2013 | 9.56 | 10.46 | 9.36 | 9.38 | 624 | NYSE | AMRC | Fri, Jan 11, 2013 | 9.57 | 9.72 | 9.53 | 9.63 | 623 | NYSE | AMRC | Thu, Jan 10, 2013 | 9.66 | 9.74 | 9.45 | 9.52 | 622 | NYSE | AMRC | Wed, Jan 9, 2013 | 9.81 | 9.84 | 9.53 | 9.63 | 621 | NYSE | AMRC | Tue, Jan 8, 2013 | 9.85 | 9.85 | 9.65 | 9.76 | 620 | NYSE | AMRC | Mon, Jan 7, 2013 | 9.96 | 9.96 | 9.80 | 9.86 | 619 | NYSE | AMRC | Fri, Jan 4, 2013 | 10.03 | 10.03 | 9.91 | 9.97 | 618 | NYSE | AMRC | Thu, Jan 3, 2013 | 10.02 | 10.02 | 9.81 | 9.97 | 617 | NYSE | AMRC | Wed, Jan 2, 2013 | 10.13 | 10.13 | 9.86 | 9.98 | 616 | NYSE | AMRC | Mon, Dec 31, 2012 | 9.94 | 9.94 | 9.44 | 9.81 | 615 | NYSE | AMRC | Fri, Dec 28, 2012 | 9.40 | 10.06 | 9.40 | 10.03 | 614 | NYSE | AMRC | Thu, Dec 27, 2012 | 9.70 | 9.71 | 9.26 | 9.43 | 613 | NYSE | AMRC | Wed, Dec 26, 2012 | 9.59 | 9.74 | 9.45 | 9.61 | 612 | NYSE | AMRC | Mon, Dec 24, 2012 | 9.65 | 9.69 | 9.53 | 9.61 | 611 | NYSE | AMRC | Fri, Dec 21, 2012 | 9.71 | 9.80 | 9.62 | 9.73 | 610 | NYSE | AMRC | Thu, Dec 20, 2012 | 9.59 | 9.94 | 9.59 | 9.88 | 609 | NYSE | AMRC | Wed, Dec 19, 2012 | 9.94 | 9.94 | 9.46 | 9.57 | 608 | NYSE | AMRC | Tue, Dec 18, 2012 | 9.71 | 9.93 | 9.71 | 9.91 | 607 | NYSE | AMRC | Mon, Dec 17, 2012 | 9.65 | 9.88 | 9.61 | 9.72 | 606 | NYSE | AMRC | Fri, Dec 14, 2012 | 9.52 | 9.71 | 9.50 | 9.64 | 605 | NYSE | AMRC | Thu, Dec 13, 2012 | 9.40 | 9.57 | 9.37 | 9.53 | 604 | NYSE | AMRC | Wed, Dec 12, 2012 | 9.61 | 9.62 | 9.31 | 9.40 | 603 | NYSE | AMRC | Tue, Dec 11, 2012 | 9.35 | 9.63 | 9.28 | 9.62 | 602 | NYSE | AMRC | Mon, Dec 10, 2012 | 9.18 | 9.36 | 9.18 | 9.30 | 601 | NYSE | AMRC | Fri, Dec 7, 2012 | 9.34 | 9.34 | 9.19 | 9.20 | 600 | NYSE | AMRC | Thu, Dec 6, 2012 | 9.18 | 9.36 | 9.12 | 9.32 | 599 | NYSE | AMRC | Wed, Dec 5, 2012 | 9.26 | 9.30 | 9.15 | 9.15 | 598 | NYSE | AMRC | Tue, Dec 4, 2012 | 9.30 | 9.34 | 9.20 | 9.26 | 597 | NYSE | AMRC | Mon, Dec 3, 2012 | 9.41 | 9.45 | 9.22 | 9.28 | 596 | NYSE | AMRC | Fri, Nov 30, 2012 | 9.30 | 9.40 | 9.22 | 9.40 | 595 | NYSE | AMRC | Thu, Nov 29, 2012 | 9.33 | 9.37 | 9.20 | 9.31 | 594 | NYSE | AMRC | Wed, Nov 28, 2012 | 9.25 | 9.30 | 9.15 | 9.24 | 593 | NYSE | AMRC | Tue, Nov 27, 2012 | 9.28 | 9.37 | 9.27 | 9.31 | 592 | NYSE | AMRC | Mon, Nov 26, 2012 | 9.27 | 9.34 | 9.14 | 9.27 | 591 | NYSE | AMRC | Fri, Nov 23, 2012 | 9.27 | 9.40 | 9.21 | 9.37 | 590 | NYSE | AMRC | Wed, Nov 21, 2012 | 9.24 | 9.26 | 9.13 | 9.25 | 589 | NYSE | AMRC | Tue, Nov 20, 2012 | 9.37 | 9.37 | 9.17 | 9.25 | 588 | NYSE | AMRC | Mon, Nov 19, 2012 | 9.45 | 9.56 | 9.26 | 9.36 | 587 | NYSE | AMRC | Fri, Nov 16, 2012 | 9.08 | 9.44 | 9.05 | 9.37 | 586 | NYSE | AMRC | Thu, Nov 15, 2012 | 9.00 | 9.23 | 9.00 | 9.16 | 585 | NYSE | AMRC | Wed, Nov 14, 2012 | 9.05 | 9.10 | 8.91 | 8.94 | 584 | NYSE | AMRC | Tue, Nov 13, 2012 | 9.00 | 9.19 | 9.00 | 9.00 | 583 | NYSE | AMRC | Mon, Nov 12, 2012 | 9.47 | 9.85 | 9.00 | 9.00 | 582 | NYSE | AMRC | Fri, Nov 9, 2012 | 8.85 | 9.47 | 8.69 | 9.44 | 581 | NYSE | AMRC | Thu, Nov 8, 2012 | 9.67 | 9.67 | 8.29 | 8.91 | 580 | NYSE | AMRC | Wed, Nov 7, 2012 | 10.95 | 11.41 | 10.54 | 10.61 | 579 | NYSE | AMRC | Tue, Nov 6, 2012 | 11.00 | 11.11 | 10.88 | 11.06 | 578 | NYSE | AMRC | Mon, Nov 5, 2012 | 10.96 | 11.07 | 10.85 | 10.96 | 577 | NYSE | AMRC | Fri, Nov 2, 2012 | 11.23 | 11.23 | 10.89 | 10.92 | 576 | NYSE | AMRC | Thu, Nov 1, 2012 | 11.11 | 11.33 | 11.01 | 11.21 | 575 | NYSE | AMRC | Wed, Oct 31, 2012 | 10.91 | 11.06 | 10.89 | 11.06 | 574 | NYSE | AMRC | Fri, Oct 26, 2012 | 11.04 | 11.05 | 10.78 | 10.91 | 573 | NYSE | AMRC | Thu, Oct 25, 2012 | 11.20 | 11.29 | 10.90 | 11.06 | 572 | NYSE | AMRC | Wed, Oct 24, 2012 | 11.23 | 11.29 | 11.07 | 11.14 | 571 | NYSE | AMRC | Tue, Oct 23, 2012 | 11.49 | 11.49 | 11.17 | 11.21 | 570 | NYSE | AMRC | Mon, Oct 22, 2012 | 11.50 | 11.60 | 11.10 | 11.59 | 569 | NYSE | AMRC | Fri, Oct 19, 2012 | 11.88 | 11.95 | 11.48 | 11.50 | 568 | NYSE | AMRC | Thu, Oct 18, 2012 | 11.39 | 12.12 | 11.31 | 11.99 | 567 | NYSE | AMRC | Wed, Oct 17, 2012 | 11.21 | 11.39 | 11.21 | 11.37 | 566 | NYSE | AMRC | Tue, Oct 16, 2012 | 11.38 | 11.38 | 11.19 | 11.23 | 565 | NYSE | AMRC | Mon, Oct 15, 2012 | 11.35 | 11.37 | 11.16 | 11.35 | 564 | NYSE | AMRC | Fri, Oct 12, 2012 | 11.43 | 11.43 | 11.26 | 11.33 | 563 | NYSE | AMRC | Thu, Oct 11, 2012 | 11.49 | 11.51 | 11.36 | 11.43 | 562 | NYSE | AMRC | Wed, Oct 10, 2012 | 11.32 | 11.38 | 11.24 | 11.38 | 561 | NYSE | AMRC | Tue, Oct 9, 2012 | 11.49 | 11.49 | 11.20 | 11.30 | 560 | NYSE | AMRC | Mon, Oct 8, 2012 | 11.49 | 11.56 | 11.42 | 11.45 | 559 | NYSE | AMRC | Fri, Oct 5, 2012 | 11.76 | 11.88 | 11.56 | 11.58 | 558 | NYSE | AMRC | Thu, Oct 4, 2012 | 11.73 | 11.82 | 11.53 | 11.73 | 557 | NYSE | AMRC | Wed, Oct 3, 2012 | 11.82 | 11.84 | 11.53 | 11.67 | 556 | NYSE | AMRC | Tue, Oct 2, 2012 | 12.02 | 12.08 | 11.75 | 11.84 | 555 | NYSE | AMRC | Mon, Oct 1, 2012 | 11.85 | 12.09 | 11.85 | 12.00 | 554 | NYSE | AMRC | Fri, Sep 28, 2012 | 11.97 | 12.08 | 11.80 | 11.81 | 553 | NYSE | AMRC | Thu, Sep 27, 2012 | 12.02 | 12.07 | 11.82 | 12.05 | 552 | NYSE | AMRC | Wed, Sep 26, 2012 | 11.92 | 12.09 | 11.88 | 12.02 | 551 | NYSE | AMRC | Tue, Sep 25, 2012 | 12.16 | 12.18 | 11.83 | 11.92 | 550 | NYSE | AMRC | Mon, Sep 24, 2012 | 12.00 | 12.31 | 12.00 | 12.12 | 549 | NYSE | AMRC | Fri, Sep 21, 2012 | 12.29 | 12.29 | 11.95 | 12.03 | 548 | NYSE | AMRC | Thu, Sep 20, 2012 | 12.06 | 12.23 | 12.06 | 12.11 | 547 | NYSE | AMRC | Wed, Sep 19, 2012 | 12.50 | 12.50 | 12.13 | 12.16 | 546 | NYSE | AMRC | Tue, Sep 18, 2012 | 12.31 | 12.57 | 12.29 | 12.50 | 545 | NYSE | AMRC | Mon, Sep 17, 2012 | 12.38 | 12.40 | 12.21 | 12.39 | 544 | NYSE | AMRC | Fri, Sep 14, 2012 | 12.44 | 12.58 | 12.36 | 12.40 | 543 | NYSE | AMRC | Thu, Sep 13, 2012 | 12.21 | 12.48 | 12.15 | 12.43 | 542 | NYSE | AMRC | Wed, Sep 12, 2012 | 12.17 | 12.33 | 12.12 | 12.23 | 541 | NYSE | AMRC | Tue, Sep 11, 2012 | 12.21 | 12.42 | 12.00 | 12.14 | 540 | NYSE | AMRC | Mon, Sep 10, 2012 | 12.28 | 12.39 | 12.04 | 12.21 | 539 | NYSE | AMRC | Fri, Sep 7, 2012 | 12.24 | 12.40 | 12.15 | 12.36 | 538 | NYSE | AMRC | Thu, Sep 6, 2012 | 12.04 | 12.23 | 12.04 | 12.19 | 537 | NYSE | AMRC | Wed, Sep 5, 2012 | 11.99 | 12.19 | 11.89 | 12.02 | 536 | NYSE | AMRC | Tue, Sep 4, 2012 | 11.99 | 12.11 | 11.82 | 12.02 | 535 | NYSE | AMRC | Fri, Aug 31, 2012 | 12.23 | 12.23 | 12.00 | 12.01 | 534 | NYSE | AMRC | Thu, Aug 30, 2012 | 12.09 | 12.30 | 12.09 | 12.15 | 533 | NYSE | AMRC | Wed, Aug 29, 2012 | 12.11 | 12.16 | 11.95 | 12.14 | 532 | NYSE | AMRC | Tue, Aug 28, 2012 | 12.03 | 12.14 | 12.00 | 12.11 | 531 | NYSE | AMRC | Mon, Aug 27, 2012 | 12.04 | 12.08 | 11.85 | 12.01 | 530 | NYSE | AMRC | Fri, Aug 24, 2012 | 11.92 | 12.15 | 11.92 | 12.02 | 529 | NYSE | AMRC | Thu, Aug 23, 2012 | 12.05 | 12.07 | 11.86 | 11.99 | 528 | NYSE | AMRC | Wed, Aug 22, 2012 | 12.32 | 12.32 | 12.07 | 12.10 | 527 | NYSE | AMRC | Tue, Aug 21, 2012 | 12.32 | 12.45 | 12.29 | 12.33 | 526 | NYSE | AMRC | Mon, Aug 20, 2012 | 12.26 | 12.34 | 12.15 | 12.32 | 525 | NYSE | AMRC | Fri, Aug 17, 2012 | 12.39 | 12.42 | 12.11 | 12.27 | 524 | NYSE | AMRC | Thu, Aug 16, 2012 | 12.16 | 12.43 | 12.04 | 12.41 | 523 | NYSE | AMRC | Wed, Aug 15, 2012 | 12.04 | 12.28 | 12.03 | 12.19 | 522 | NYSE | AMRC | Tue, Aug 14, 2012 | 12.08 | 12.12 | 12.03 | 12.11 | 521 | NYSE | AMRC | Mon, Aug 13, 2012 | 12.02 | 12.08 | 11.84 | 12.08 | 520 | NYSE | AMRC | Fri, Aug 10, 2012 | 12.04 | 12.09 | 11.93 | 12.08 | 519 | NYSE | AMRC | Thu, Aug 9, 2012 | 11.85 | 12.12 | 11.46 | 12.07 | 518 | NYSE | AMRC | Wed, Aug 8, 2012 | 11.62 | 12.74 | 11.62 | 11.90 | 517 | NYSE | AMRC | Tue, Aug 7, 2012 | 11.51 | 11.85 | 10.63 | 11.82 | 516 | NYSE | AMRC | Mon, Aug 6, 2012 | 12.12 | 12.39 | 12.00 | 12.32 | 515 | NYSE | AMRC | Fri, Aug 3, 2012 | 11.81 | 12.33 | 11.81 | 12.13 | 514 | NYSE | AMRC | Thu, Aug 2, 2012 | 11.61 | 11.89 | 11.59 | 11.71 | 513 | NYSE | AMRC | Wed, Aug 1, 2012 | 12.21 | 12.32 | 11.84 | 11.85 | 512 | NYSE | AMRC | Tue, Jul 31, 2012 | 12.23 | 12.38 | 12.08 | 12.16 | 511 | NYSE | AMRC | Mon, Jul 30, 2012 | 12.28 | 12.39 | 12.16 | 12.24 | 510 | NYSE | AMRC | Fri, Jul 27, 2012 | 11.91 | 12.48 | 11.76 | 12.26 | 509 | NYSE | AMRC | Thu, Jul 26, 2012 | 11.84 | 11.97 | 11.61 | 11.89 | 508 | NYSE | AMRC | Wed, Jul 25, 2012 | 11.77 | 11.77 | 11.53 | 11.63 | 507 | NYSE | AMRC | Tue, Jul 24, 2012 | 12.22 | 12.22 | 11.63 | 11.74 | 506 | NYSE | AMRC | Mon, Jul 23, 2012 | 12.30 | 12.30 | 12.10 | 12.21 | 505 | NYSE | AMRC | Fri, Jul 20, 2012 | 12.53 | 12.70 | 12.42 | 12.46 | 504 | NYSE | AMRC | Thu, Jul 19, 2012 | 12.70 | 12.70 | 12.46 | 12.59 | 503 | NYSE | AMRC | Wed, Jul 18, 2012 | 12.61 | 12.76 | 12.51 | 12.66 | 502 | NYSE | AMRC | Tue, Jul 17, 2012 | 12.58 | 12.70 | 12.42 | 12.57 | 501 | NYSE | AMRC | Mon, Jul 16, 2012 | 12.67 | 12.67 | 12.43 | 12.53 | 500 | NYSE | AMRC | Fri, Jul 13, 2012 | 12.69 | 12.90 | 12.62 | 12.66 | 499 | NYSE | AMRC | Thu, Jul 12, 2012 | 12.72 | 12.74 | 12.44 | 12.62 | 498 | NYSE | AMRC | Wed, Jul 11, 2012 | 12.43 | 12.80 | 12.39 | 12.80 | 497 | NYSE | AMRC | Tue, Jul 10, 2012 | 12.60 | 12.72 | 12.40 | 12.42 | 496 | NYSE | AMRC | Mon, Jul 9, 2012 | 12.56 | 12.63 | 12.30 | 12.57 | 495 | NYSE | AMRC | Fri, Jul 6, 2012 | 12.58 | 12.74 | 12.51 | 12.55 | 494 | NYSE | AMRC | Thu, Jul 5, 2012 | 12.93 | 13.00 | 12.64 | 12.65 | 493 | NYSE | AMRC | Tue, Jul 3, 2012 | 12.45 | 13.03 | 12.32 | 12.95 | 492 | NYSE | AMRC | Mon, Jul 2, 2012 | 11.93 | 12.45 | 11.90 | 12.45 | 491 | NYSE | AMRC | Fri, Jun 29, 2012 | 11.60 | 11.95 | 11.30 | 11.93 | 490 | NYSE | AMRC | Thu, Jun 28, 2012 | 11.31 | 11.60 | 11.23 | 11.37 | 489 | NYSE | AMRC | Wed, Jun 27, 2012 | 11.16 | 11.44 | 11.13 | 11.39 | 488 | NYSE | AMRC | Tue, Jun 26, 2012 | 11.06 | 11.22 | 10.90 | 11.06 | 487 | NYSE | AMRC | Mon, Jun 25, 2012 | 10.94 | 11.08 | 10.75 | 11.00 | 486 | NYSE | AMRC | Fri, Jun 22, 2012 | 11.36 | 11.48 | 10.90 | 11.16 | 485 | NYSE | AMRC | Thu, Jun 21, 2012 | 11.70 | 11.72 | 11.24 | 11.35 | 484 | NYSE | AMRC | Wed, Jun 20, 2012 | 11.74 | 11.88 | 11.65 | 11.67 | 483 | NYSE | AMRC | Tue, Jun 19, 2012 | 11.77 | 11.98 | 11.65 | 11.71 | 482 | NYSE | AMRC | Mon, Jun 18, 2012 | 11.83 | 11.99 | 11.69 | 11.75 | 481 | NYSE | AMRC | Fri, Jun 15, 2012 | 11.29 | 11.90 | 11.28 | 11.87 | 480 | NYSE | AMRC | Thu, Jun 14, 2012 | 11.17 | 11.49 | 11.13 | 11.24 | 479 | NYSE | AMRC | Wed, Jun 13, 2012 | 11.18 | 11.30 | 11.10 | 11.21 | 478 | NYSE | AMRC | Tue, Jun 12, 2012 | 11.11 | 11.28 | 11.00 | 11.24 | 477 | NYSE | AMRC | Mon, Jun 11, 2012 | 11.76 | 11.81 | 11.05 | 11.06 | 476 | NYSE | AMRC | Fri, Jun 8, 2012 | 11.63 | 11.75 | 11.51 | 11.58 | 475 | NYSE | AMRC | Thu, Jun 7, 2012 | 11.87 | 11.91 | 11.65 | 11.67 | 474 | NYSE | AMRC | Wed, Jun 6, 2012 | 11.70 | 11.72 | 11.47 | 11.67 | 473 | NYSE | AMRC | Tue, Jun 5, 2012 | 11.11 | 11.66 | 10.97 | 11.63 | 472 | NYSE | AMRC | Mon, Jun 4, 2012 | 10.78 | 11.03 | 10.78 | 10.94 | 471 | NYSE | AMRC | Fri, Jun 1, 2012 | 10.57 | 10.96 | 10.51 | 10.78 | 470 | NYSE | AMRC | Thu, May 31, 2012 | 10.93 | 10.97 | 10.65 | 10.75 | 469 | NYSE | AMRC | Wed, May 30, 2012 | 10.99 | 11.00 | 10.78 | 10.90 | 468 | NYSE | AMRC | Tue, May 29, 2012 | 11.20 | 11.27 | 10.94 | 11.12 | 467 | NYSE | AMRC | Fri, May 25, 2012 | 11.17 | 11.27 | 11.07 | 11.07 | 466 | NYSE | AMRC | Thu, May 24, 2012 | 11.67 | 11.67 | 10.97 | 11.22 | 465 | NYSE | AMRC | Wed, May 23, 2012 | 11.16 | 11.26 | 10.88 | 11.19 | 464 | NYSE | AMRC | Tue, May 22, 2012 | 11.44 | 11.55 | 11.21 | 11.32 | 463 | NYSE | AMRC | Mon, May 21, 2012 | 11.35 | 11.58 | 11.35 | 11.48 | 462 | NYSE | AMRC | Fri, May 18, 2012 | 11.21 | 11.50 | 11.14 | 11.33 | 461 | NYSE | AMRC | Thu, May 17, 2012 | 11.57 | 11.68 | 11.05 | 11.21 | 460 | NYSE | AMRC | Wed, May 16, 2012 | 11.64 | 12.03 | 11.52 | 11.55 | 459 | NYSE | AMRC | Tue, May 15, 2012 | 11.46 | 11.79 | 11.29 | 11.62 | 458 | NYSE | AMRC | Mon, May 14, 2012 | 11.49 | 11.83 | 11.36 | 11.50 | 457 | NYSE | AMRC | Fri, May 11, 2012 | 11.42 | 11.60 | 11.42 | 11.53 | 456 | NYSE | AMRC | Thu, May 10, 2012 | 11.59 | 11.65 | 11.36 | 11.46 | 455 | NYSE | AMRC | Wed, May 9, 2012 | 11.60 | 11.80 | 11.41 | 11.55 | 454 | NYSE | AMRC | Tue, May 8, 2012 | 11.83 | 11.86 | 11.25 | 11.80 | 453 | NYSE | AMRC | Mon, May 7, 2012 | 11.75 | 12.05 | 11.68 | 11.92 | 452 | NYSE | AMRC | Fri, May 4, 2012 | 12.00 | 12.05 | 11.82 | 11.83 | 451 | NYSE | AMRC | Thu, May 3, 2012 | 12.10 | 12.21 | 12.02 | 12.09 | 450 | NYSE | AMRC | Wed, May 2, 2012 | 12.10 | 12.25 | 12.01 | 12.09 | 449 | NYSE | AMRC | Tue, May 1, 2012 | 12.17 | 12.60 | 12.17 | 12.23 | 448 | NYSE | AMRC | Mon, Apr 30, 2012 | 12.30 | 12.30 | 12.07 | 12.19 | 447 | NYSE | AMRC | Fri, Apr 27, 2012 | 12.05 | 12.44 | 11.94 | 12.35 | 446 | NYSE | AMRC | Thu, Apr 26, 2012 | 12.01 | 12.08 | 11.88 | 12.04 | 445 | NYSE | AMRC | Wed, Apr 25, 2012 | 11.99 | 12.12 | 11.87 | 11.98 | 444 | NYSE | AMRC | Tue, Apr 24, 2012 | 11.80 | 12.05 | 11.67 | 11.85 | 443 | NYSE | AMRC | Mon, Apr 23, 2012 | 11.79 | 11.95 | 11.75 | 11.83 | 442 | NYSE | AMRC | Fri, Apr 20, 2012 | 12.24 | 12.34 | 11.56 | 12.03 | 441 | NYSE | AMRC | Thu, Apr 19, 2012 | 12.25 | 12.47 | 12.06 | 12.11 | 440 | NYSE | AMRC | Wed, Apr 18, 2012 | 12.28 | 12.43 | 12.09 | 12.27 | 439 | NYSE | AMRC | Tue, Apr 17, 2012 | 12.44 | 12.68 | 12.20 | 12.32 | 438 | NYSE | AMRC | Mon, Apr 16, 2012 | 12.90 | 12.90 | 12.08 | 12.30 | 437 | NYSE | AMRC | Fri, Apr 13, 2012 | 13.16 | 13.18 | 12.78 | 12.78 | 436 | NYSE | AMRC | Thu, Apr 12, 2012 | 13.26 | 13.50 | 13.17 | 13.20 | 435 | NYSE | AMRC | Wed, Apr 11, 2012 | 13.08 | 13.27 | 12.80 | 13.22 | 434 | NYSE | AMRC | Tue, Apr 10, 2012 | 13.24 | 13.30 | 12.77 | 12.90 | 433 | NYSE | AMRC | Mon, Apr 9, 2012 | 13.53 | 13.59 | 13.21 | 13.23 | 432 | NYSE | AMRC | Thu, Apr 5, 2012 | 13.79 | 13.95 | 13.65 | 13.70 | 431 | NYSE | AMRC | Wed, Apr 4, 2012 | 13.54 | 13.90 | 13.40 | 13.84 | 430 | NYSE | AMRC | Tue, Apr 3, 2012 | 13.66 | 13.93 | 13.52 | 13.71 | 429 | NYSE | AMRC | Mon, Apr 2, 2012 | 13.49 | 13.71 | 12.68 | 13.68 | 428 | NYSE | AMRC | Fri, Mar 30, 2012 | 13.81 | 13.81 | 13.54 | 13.55 | 427 | NYSE | AMRC | Thu, Mar 29, 2012 | 13.68 | 13.77 | 13.55 | 13.72 | 426 | NYSE | AMRC | Wed, Mar 28, 2012 | 14.00 | 14.07 | 13.69 | 13.82 | 425 | NYSE | AMRC | Tue, Mar 27, 2012 | 14.10 | 14.22 | 13.92 | 13.96 | 424 | NYSE | AMRC | Mon, Mar 26, 2012 | 14.33 | 14.35 | 13.95 | 14.09 | 423 | NYSE | AMRC | Fri, Mar 23, 2012 | 13.75 | 14.21 | 13.70 | 14.19 | 422 | NYSE | AMRC | Thu, Mar 22, 2012 | 13.99 | 14.18 | 13.52 | 13.81 | 421 | NYSE | AMRC | Wed, Mar 21, 2012 | 13.96 | 14.27 | 13.92 | 14.13 | 420 | NYSE | AMRC | Tue, Mar 20, 2012 | 14.12 | 14.12 | 13.90 | 13.95 | 419 | NYSE | AMRC | Mon, Mar 19, 2012 | 14.26 | 14.29 | 13.90 | 14.27 | 418 | NYSE | AMRC | Fri, Mar 16, 2012 | 14.30 | 14.44 | 14.13 | 14.31 | 417 | NYSE | AMRC | Thu, Mar 15, 2012 | 13.57 | 14.29 | 13.50 | 14.27 | 416 | NYSE | AMRC | Wed, Mar 14, 2012 | 14.02 | 14.09 | 13.53 | 13.57 | 415 | NYSE | AMRC | Tue, Mar 13, 2012 | 13.79 | 14.00 | 13.64 | 14.00 | 414 | NYSE | AMRC | Mon, Mar 12, 2012 | 13.65 | 13.78 | 13.27 | 13.61 | 413 | NYSE | AMRC | Fri, Mar 9, 2012 | 12.99 | 13.59 | 12.95 | 13.41 | 412 | NYSE | AMRC | Thu, Mar 8, 2012 | 13.16 | 13.20 | 12.95 | 13.11 | 411 | NYSE | AMRC | Wed, Mar 7, 2012 | 12.78 | 13.07 | 12.76 | 13.04 | 410 | NYSE | AMRC | Tue, Mar 6, 2012 | 13.15 | 13.22 | 12.67 | 12.71 | 409 | NYSE | AMRC | Mon, Mar 5, 2012 | 13.50 | 13.50 | 13.10 | 13.39 | 408 | NYSE | AMRC | Fri, Mar 2, 2012 | 13.69 | 13.85 | 13.28 | 13.55 | 407 | NYSE | AMRC | Thu, Mar 1, 2012 | 14.30 | 14.30 | 13.46 | 13.76 | 406 | NYSE | AMRC | Wed, Feb 29, 2012 | 13.89 | 14.73 | 13.62 | 14.09 | 405 | NYSE | AMRC | Tue, Feb 28, 2012 | 13.88 | 14.12 | 13.68 | 13.76 | 404 | NYSE | AMRC | Mon, Feb 27, 2012 | 13.59 | 13.94 | 13.30 | 13.84 | 403 | NYSE | AMRC | Fri, Feb 24, 2012 | 14.00 | 14.00 | 13.60 | 13.66 | 402 | NYSE | AMRC | Thu, Feb 23, 2012 | 13.56 | 14.00 | 13.55 | 13.91 | 401 | NYSE | AMRC | Wed, Feb 22, 2012 | 14.13 | 14.14 | 13.59 | 13.59 | 400 | NYSE | AMRC | Tue, Feb 21, 2012 | 14.10 | 14.28 | 14.01 | 14.11 | 399 | NYSE | AMRC | Fri, Feb 17, 2012 | 14.26 | 14.26 | 13.92 | 14.04 | 398 | NYSE | AMRC | Thu, Feb 16, 2012 | 13.44 | 14.37 | 13.42 | 14.16 | 397 | NYSE | AMRC | Wed, Feb 15, 2012 | 13.95 | 13.95 | 13.40 | 13.46 | 396 | NYSE | AMRC | Tue, Feb 14, 2012 | 14.09 | 14.09 | 13.75 | 13.92 | 395 | NYSE | AMRC | Mon, Feb 13, 2012 | 14.06 | 14.16 | 13.88 | 14.10 | 394 | NYSE | AMRC | Fri, Feb 10, 2012 | 14.04 | 14.14 | 13.80 | 13.92 | 393 | NYSE | AMRC | Thu, Feb 9, 2012 | 14.22 | 14.29 | 14.01 | 14.18 | 392 | NYSE | AMRC | Wed, Feb 8, 2012 | 14.17 | 14.31 | 13.75 | 14.18 | 391 | NYSE | AMRC | Tue, Feb 7, 2012 | 14.34 | 14.35 | 13.99 | 14.13 | 390 | NYSE | AMRC | Mon, Feb 6, 2012 | 13.57 | 14.47 | 13.55 | 14.29 | 389 | NYSE | AMRC | Fri, Feb 3, 2012 | 13.51 | 13.90 | 13.02 | 13.43 | 388 | NYSE | AMRC | Thu, Feb 2, 2012 | 13.50 | 13.50 | 13.20 | 13.43 | 387 | NYSE | AMRC | Wed, Feb 1, 2012 | 13.24 | 13.60 | 13.02 | 13.53 | 386 | NYSE | AMRC | Tue, Jan 31, 2012 | 12.80 | 13.18 | 12.80 | 13.11 | 385 | NYSE | AMRC | Mon, Jan 30, 2012 | 12.90 | 13.03 | 12.68 | 12.73 | 384 | NYSE | AMRC | Fri, Jan 27, 2012 | 12.75 | 13.19 | 12.74 | 13.07 | 383 | NYSE | AMRC | Thu, Jan 26, 2012 | 13.30 | 13.30 | 12.55 | 12.79 | 382 | NYSE | AMRC | Wed, Jan 25, 2012 | 13.28 | 13.41 | 13.14 | 13.22 | 381 | NYSE | AMRC | Tue, Jan 24, 2012 | 13.11 | 13.40 | 13.06 | 13.39 | 380 | NYSE | AMRC | Mon, Jan 23, 2012 | 13.20 | 13.30 | 13.05 | 13.16 | 379 | NYSE | AMRC | Fri, Jan 20, 2012 | 13.18 | 13.31 | 12.92 | 13.20 | 378 | NYSE | AMRC | Thu, Jan 19, 2012 | 13.33 | 13.35 | 13.05 | 13.15 | 377 | NYSE | AMRC | Wed, Jan 18, 2012 | 13.47 | 13.48 | 13.17 | 13.32 | 376 | NYSE | AMRC | Tue, Jan 17, 2012 | 13.44 | 13.51 | 13.03 | 13.45 | 375 | NYSE | AMRC | Fri, Jan 13, 2012 | 13.43 | 13.68 | 13.30 | 13.31 | 374 | NYSE | AMRC | Thu, Jan 12, 2012 | 13.57 | 13.67 | 13.34 | 13.59 | 373 | NYSE | AMRC | Wed, Jan 11, 2012 | 13.45 | 13.62 | 13.30 | 13.44 | 372 | NYSE | AMRC | Tue, Jan 10, 2012 | 13.48 | 13.55 | 13.05 | 13.51 | 371 | NYSE | AMRC | Mon, Jan 9, 2012 | 13.16 | 13.38 | 12.81 | 13.29 | 370 | NYSE | AMRC | Fri, Jan 6, 2012 | 13.90 | 14.00 | 13.08 | 13.13 | 369 | NYSE | AMRC | Thu, Jan 5, 2012 | 13.78 | 14.00 | 13.44 | 13.96 | 368 | NYSE | AMRC | Wed, Jan 4, 2012 | 13.51 | 13.93 | 13.50 | 13.89 | 367 | NYSE | AMRC | Tue, Jan 3, 2012 | 14.09 | 14.25 | 13.52 | 13.63 | 366 | NYSE | AMRC | Fri, Dec 30, 2011 | 13.18 | 13.74 | 13.12 | 13.72 | 365 | NYSE | AMRC | Thu, Dec 29, 2011 | 12.60 | 13.19 | 12.59 | 13.18 | 364 | NYSE | AMRC | Wed, Dec 28, 2011 | 13.25 | 13.34 | 12.51 | 12.56 | 363 | NYSE | AMRC | Tue, Dec 27, 2011 | 13.33 | 13.54 | 13.10 | 13.23 | 362 | NYSE | AMRC | Fri, Dec 23, 2011 | 13.63 | 13.64 | 13.28 | 13.34 | 361 | NYSE | AMRC | Thu, Dec 22, 2011 | 13.16 | 13.61 | 13.07 | 13.54 | 360 | NYSE | AMRC | Wed, Dec 21, 2011 | 12.80 | 13.05 | 12.51 | 13.04 | 359 | NYSE | AMRC | Tue, Dec 20, 2011 | 12.43 | 13.00 | 12.43 | 12.82 | 358 | NYSE | AMRC | Mon, Dec 19, 2011 | 12.35 | 12.75 | 12.15 | 12.19 | 357 | NYSE | AMRC | Fri, Dec 16, 2011 | 12.12 | 12.39 | 11.91 | 12.29 | 356 | NYSE | AMRC | Thu, Dec 15, 2011 | 11.87 | 12.09 | 11.67 | 11.93 | 355 | NYSE | AMRC | Wed, Dec 14, 2011 | 12.07 | 12.86 | 11.50 | 11.66 | 354 | NYSE | AMRC | Tue, Dec 13, 2011 | 12.70 | 12.89 | 11.92 | 11.98 | 353 | NYSE | AMRC | Mon, Dec 12, 2011 | 12.63 | 12.72 | 12.50 | 12.59 | 352 | NYSE | AMRC | Fri, Dec 9, 2011 | 12.70 | 12.88 | 12.50 | 12.64 | 351 | NYSE | AMRC | Thu, Dec 8, 2011 | 12.68 | 12.87 | 12.52 | 12.60 | 350 | NYSE | AMRC | Wed, Dec 7, 2011 | 12.95 | 13.32 | 12.75 | 12.76 | 349 | NYSE | AMRC | Tue, Dec 6, 2011 | 12.00 | 12.99 | 11.91 | 12.90 | 348 | NYSE | AMRC | Mon, Dec 5, 2011 | 11.96 | 12.45 | 11.86 | 11.99 | 347 | NYSE | AMRC | Fri, Dec 2, 2011 | 11.38 | 11.96 | 11.32 | 11.63 | 346 | NYSE | AMRC | Thu, Dec 1, 2011 | 11.78 | 11.78 | 11.16 | 11.19 | 345 | NYSE | AMRC | Wed, Nov 30, 2011 | 11.50 | 11.90 | 11.28 | 11.88 | 344 | NYSE | AMRC | Tue, Nov 29, 2011 | 11.22 | 11.25 | 10.97 | 11.09 | 343 | NYSE | AMRC | Mon, Nov 28, 2011 | 10.78 | 11.10 | 10.64 | 11.06 | 342 | NYSE | AMRC | Fri, Nov 25, 2011 | 10.85 | 10.90 | 10.31 | 10.38 | 341 | NYSE | AMRC | Wed, Nov 23, 2011 | 10.88 | 11.00 | 10.75 | 10.88 | 340 | NYSE | AMRC | Tue, Nov 22, 2011 | 10.93 | 11.08 | 10.89 | 11.00 | 339 | NYSE | AMRC | Mon, Nov 21, 2011 | 10.88 | 11.06 | 10.80 | 10.97 | 338 | NYSE | AMRC | Fri, Nov 18, 2011 | 11.00 | 11.15 | 10.96 | 11.07 | 337 | NYSE | AMRC | Thu, Nov 17, 2011 | 11.11 | 11.17 | 10.76 | 10.96 | 336 | NYSE | AMRC | Wed, Nov 16, 2011 | 10.92 | 11.15 | 10.82 | 11.10 | 335 | NYSE | AMRC | Tue, Nov 15, 2011 | 10.74 | 11.18 | 10.74 | 11.02 | 334 | NYSE | AMRC | Mon, Nov 14, 2011 | 10.91 | 10.94 | 10.54 | 10.88 | 333 | NYSE | AMRC | Fri, Nov 11, 2011 | 10.33 | 10.95 | 10.25 | 10.90 | 332 | NYSE | AMRC | Thu, Nov 10, 2011 | 10.32 | 10.48 | 10.24 | 10.32 | 331 | NYSE | AMRC | Wed, Nov 9, 2011 | 10.80 | 10.89 | 10.03 | 10.15 | 330 | NYSE | AMRC | Tue, Nov 8, 2011 | 11.03 | 11.31 | 10.75 | 11.18 | 329 | NYSE | AMRC | Mon, Nov 7, 2011 | 11.02 | 11.20 | 10.57 | 11.00 | 328 | NYSE | AMRC | Fri, Nov 4, 2011 | 11.29 | 11.30 | 10.72 | 11.00 | 327 | NYSE | AMRC | Thu, Nov 3, 2011 | 10.77 | 11.44 | 10.55 | 11.37 | 326 | NYSE | AMRC | Wed, Nov 2, 2011 | 10.44 | 11.13 | 10.43 | 10.63 | 325 | NYSE | AMRC | Tue, Nov 1, 2011 | 10.51 | 10.55 | 10.12 | 10.21 | 324 | NYSE | AMRC | Mon, Oct 31, 2011 | 11.29 | 11.36 | 10.91 | 10.99 | 323 | NYSE | AMRC | Fri, Oct 28, 2011 | 11.86 | 11.87 | 11.32 | 11.43 | 322 | NYSE | AMRC | Thu, Oct 27, 2011 | 10.88 | 11.90 | 10.69 | 11.20 | 321 | NYSE | AMRC | Wed, Oct 26, 2011 | 10.62 | 10.62 | 10.14 | 10.43 | 320 | NYSE | AMRC | Tue, Oct 25, 2011 | 10.57 | 10.64 | 10.26 | 10.41 | 319 | NYSE | AMRC | Mon, Oct 24, 2011 | 10.18 | 10.78 | 10.18 | 10.63 | 318 | NYSE | AMRC | Fri, Oct 21, 2011 | 10.10 | 10.27 | 9.99 | 10.12 | 317 | NYSE | AMRC | Thu, Oct 20, 2011 | 10.04 | 10.07 | 9.54 | 9.89 | 316 | NYSE | AMRC | Wed, Oct 19, 2011 | 10.43 | 10.43 | 9.95 | 9.97 | 315 | NYSE | AMRC | Tue, Oct 18, 2011 | 10.09 | 10.52 | 9.86 | 10.43 | 314 | NYSE | AMRC | Mon, Oct 17, 2011 | 10.53 | 10.54 | 10.01 | 10.06 | 313 | NYSE | AMRC | Fri, Oct 14, 2011 | 10.39 | 10.54 | 10.33 | 10.53 | 312 | NYSE | AMRC | Thu, Oct 13, 2011 | 10.22 | 10.49 | 10.09 | 10.27 | 311 | NYSE | AMRC | Wed, Oct 12, 2011 | 9.80 | 10.45 | 9.80 | 10.32 | 310 | NYSE | AMRC | Tue, Oct 11, 2011 | 9.86 | 10.08 | 9.62 | 9.73 | 309 | NYSE | AMRC | Mon, Oct 10, 2011 | 9.69 | 10.00 | 9.53 | 10.00 | 308 | NYSE | AMRC | Fri, Oct 7, 2011 | 9.80 | 9.85 | 9.19 | 9.51 | 307 | NYSE | AMRC | Thu, Oct 6, 2011 | 9.51 | 9.83 | 9.35 | 9.74 | 306 | NYSE | AMRC | Wed, Oct 5, 2011 | 9.45 | 9.68 | 9.27 | 9.57 | 305 | NYSE | AMRC | Tue, Oct 4, 2011 | 9.05 | 9.47 | 8.60 | 9.46 | 304 | NYSE | AMRC | Mon, Oct 3, 2011 | 10.14 | 10.15 | 9.19 | 9.21 | 303 | NYSE | AMRC | Fri, Sep 30, 2011 | 9.79 | 10.35 | 9.78 | 10.16 | 302 | NYSE | AMRC | Thu, Sep 29, 2011 | 10.19 | 10.25 | 9.69 | 9.95 | 301 | NYSE | AMRC | Wed, Sep 28, 2011 | 10.43 | 10.48 | 9.70 | 9.96 | 300 | NYSE | AMRC | Tue, Sep 27, 2011 | 10.52 | 10.83 | 10.31 | 10.44 | 299 | NYSE | AMRC | Mon, Sep 26, 2011 | 10.02 | 10.31 | 9.87 | 10.31 | 298 | NYSE | AMRC | Fri, Sep 23, 2011 | 9.98 | 10.23 | 9.80 | 9.95 | 297 | NYSE | AMRC | Thu, Sep 22, 2011 | 10.20 | 10.39 | 9.91 | 9.98 | 296 | NYSE | AMRC | Wed, Sep 21, 2011 | 10.93 | 10.99 | 10.50 | 10.50 | 295 | NYSE | AMRC | Tue, Sep 20, 2011 | 10.94 | 11.12 | 10.79 | 10.89 | 294 | NYSE | AMRC | Mon, Sep 19, 2011 | 10.79 | 11.05 | 10.56 | 10.91 | 293 | NYSE | AMRC | Fri, Sep 16, 2011 | 11.74 | 11.74 | 10.94 | 10.95 | 292 | NYSE | AMRC | Thu, Sep 15, 2011 | 11.56 | 11.83 | 11.45 | 11.65 | 291 | NYSE | AMRC | Wed, Sep 14, 2011 | 11.59 | 11.63 | 11.20 | 11.50 | 290 | NYSE | AMRC | Tue, Sep 13, 2011 | 11.42 | 11.56 | 11.19 | 11.51 | 289 | NYSE | AMRC | Mon, Sep 12, 2011 | 10.99 | 11.48 | 10.93 | 11.41 | 288 | NYSE | AMRC | Fri, Sep 9, 2011 | 11.57 | 11.72 | 10.96 | 11.17 | 287 | NYSE | AMRC | Thu, Sep 8, 2011 | 11.92 | 12.01 | 11.52 | 11.66 | 286 | NYSE | AMRC | Wed, Sep 7, 2011 | 11.78 | 12.10 | 11.75 | 12.00 | 285 | NYSE | AMRC | Tue, Sep 6, 2011 | 10.57 | 11.56 | 10.46 | 11.52 | 284 | NYSE | AMRC | Fri, Sep 2, 2011 | 11.00 | 11.24 | 10.60 | 10.69 | 283 | NYSE | AMRC | Thu, Sep 1, 2011 | 11.21 | 11.76 | 10.82 | 11.29 | 282 | NYSE | AMRC | Wed, Aug 31, 2011 | 11.70 | 11.81 | 11.13 | 11.14 | 281 | NYSE | AMRC | Tue, Aug 30, 2011 | 11.85 | 11.92 | 11.23 | 11.66 | 280 | NYSE | AMRC | Mon, Aug 29, 2011 | 11.04 | 12.00 | 11.04 | 11.97 | 279 | NYSE | AMRC | Fri, Aug 26, 2011 | 10.62 | 11.08 | 10.37 | 10.91 | 278 | NYSE | AMRC | Thu, Aug 25, 2011 | 11.17 | 11.23 | 10.68 | 10.70 | 277 | NYSE | AMRC | Wed, Aug 24, 2011 | 11.48 | 11.60 | 10.78 | 11.04 | 276 | NYSE | AMRC | Tue, Aug 23, 2011 | 10.34 | 11.55 | 10.32 | 11.45 | 275 | NYSE | AMRC | Mon, Aug 22, 2011 | 10.86 | 10.86 | 10.13 | 10.18 | 274 | NYSE | AMRC | Fri, Aug 19, 2011 | 10.24 | 10.48 | 10.06 | 10.13 | 273 | NYSE | AMRC | Thu, Aug 18, 2011 | 10.49 | 10.73 | 10.12 | 10.34 | 272 | NYSE | AMRC | Wed, Aug 17, 2011 | 10.82 | 10.91 | 10.61 | 10.79 | 271 | NYSE | AMRC | Tue, Aug 16, 2011 | 11.23 | 11.25 | 10.65 | 10.75 | 270 | NYSE | AMRC | Mon, Aug 15, 2011 | 10.74 | 11.24 | 10.32 | 11.19 | 269 | NYSE | AMRC | Fri, Aug 12, 2011 | 10.32 | 10.50 | 9.91 | 10.17 | 268 | NYSE | AMRC | Thu, Aug 11, 2011 | 10.58 | 10.83 | 10.10 | 10.25 | 267 | NYSE | AMRC | Wed, Aug 10, 2011 | 11.70 | 11.70 | 9.52 | 10.34 | 266 | NYSE | AMRC | Tue, Aug 9, 2011 | 10.80 | 11.50 | 10.02 | 11.38 | 265 | NYSE | AMRC | Mon, Aug 8, 2011 | 10.13 | 10.95 | 10.01 | 10.55 | 264 | NYSE | AMRC | Fri, Aug 5, 2011 | 12.34 | 12.34 | 9.68 | 10.68 | 263 | NYSE | AMRC | Thu, Aug 4, 2011 | 12.93 | 13.06 | 12.06 | 12.10 | 262 | NYSE | AMRC | Wed, Aug 3, 2011 | 13.18 | 13.34 | 12.81 | 13.09 | 261 | NYSE | AMRC | Tue, Aug 2, 2011 | 13.57 | 13.64 | 13.11 | 13.11 | 260 | NYSE | AMRC | Mon, Aug 1, 2011 | 13.65 | 13.94 | 13.31 | 13.60 | 259 | NYSE | AMRC | Fri, Jul 29, 2011 | 13.35 | 13.64 | 13.25 | 13.46 | 258 | NYSE | AMRC | Thu, Jul 28, 2011 | 13.39 | 13.79 | 13.25 | 13.52 | 257 | NYSE | AMRC | Wed, Jul 27, 2011 | 13.98 | 13.98 | 13.17 | 13.37 | 256 | NYSE | AMRC | Tue, Jul 26, 2011 | 14.13 | 14.22 | 13.90 | 14.09 | 255 | NYSE | AMRC | Mon, Jul 25, 2011 | 14.42 | 14.42 | 14.15 | 14.27 | 254 | NYSE | AMRC | Fri, Jul 22, 2011 | 14.55 | 14.59 | 14.25 | 14.43 | 253 | NYSE | AMRC | Thu, Jul 21, 2011 | 14.44 | 14.64 | 14.28 | 14.50 | 252 | NYSE | AMRC | Wed, Jul 20, 2011 | 14.59 | 14.68 | 14.30 | 14.34 | 251 | NYSE | AMRC | Tue, Jul 19, 2011 | 14.56 | 14.73 | 14.45 | 14.55 | 250 | NYSE | AMRC | Mon, Jul 18, 2011 | 14.44 | 14.55 | 14.24 | 14.48 | 249 | NYSE | AMRC | Fri, Jul 15, 2011 | 14.48 | 14.56 | 14.17 | 14.51 | 248 | NYSE | AMRC | Thu, Jul 14, 2011 | 14.76 | 14.99 | 14.07 | 14.49 | 247 | NYSE | AMRC | Wed, Jul 13, 2011 | 14.83 | 15.12 | 14.61 | 14.79 | 246 | NYSE | AMRC | Tue, Jul 12, 2011 | 14.31 | 14.95 | 14.13 | 14.78 | 245 | NYSE | AMRC | Mon, Jul 11, 2011 | 14.41 | 14.54 | 13.85 | 14.49 | 244 | NYSE | AMRC | Fri, Jul 8, 2011 | 14.80 | 14.91 | 14.38 | 14.65 | 243 | NYSE | AMRC | Thu, Jul 7, 2011 | 14.75 | 15.11 | 14.48 | 15.00 | 242 | NYSE | AMRC | Wed, Jul 6, 2011 | 14.56 | 14.87 | 14.40 | 14.63 | 241 | NYSE | AMRC | Tue, Jul 5, 2011 | 14.72 | 14.72 | 14.29 | 14.53 | 240 | NYSE | AMRC | Fri, Jul 1, 2011 | 14.13 | 14.88 | 14.03 | 14.73 | 239 | NYSE | AMRC | Thu, Jun 30, 2011 | 13.93 | 14.30 | 13.88 | 14.18 | 238 | NYSE | AMRC | Wed, Jun 29, 2011 | 14.36 | 14.45 | 13.73 | 13.83 | 237 | NYSE | AMRC | Tue, Jun 28, 2011 | 13.86 | 14.36 | 13.47 | 14.36 | 236 | NYSE | AMRC | Mon, Jun 27, 2011 | 14.00 | 14.12 | 13.67 | 13.96 | 235 | NYSE | AMRC | Fri, Jun 24, 2011 | 13.65 | 14.25 | 13.62 | 14.02 | 234 | NYSE | AMRC | Thu, Jun 23, 2011 | 13.65 | 13.77 | 13.36 | 13.57 | 233 | NYSE | AMRC | Wed, Jun 22, 2011 | 13.09 | 13.84 | 13.03 | 13.78 | 232 | NYSE | AMRC | Tue, Jun 21, 2011 | 13.23 | 13.37 | 13.02 | 13.11 | 231 | NYSE | AMRC | Mon, Jun 20, 2011 | 13.56 | 13.56 | 13.03 | 13.15 | 230 | NYSE | AMRC | Fri, Jun 17, 2011 | 13.49 | 13.68 | 13.40 | 13.57 | 229 | NYSE | AMRC | Thu, Jun 16, 2011 | 13.30 | 13.57 | 13.09 | 13.37 | 228 | NYSE | AMRC | Wed, Jun 15, 2011 | 13.41 | 14.00 | 13.14 | 13.28 | 227 | NYSE | AMRC | Tue, Jun 14, 2011 | 13.01 | 13.60 | 12.71 | 13.49 | 226 | NYSE | AMRC | Mon, Jun 13, 2011 | 12.85 | 13.43 | 12.58 | 12.86 | 225 | NYSE | AMRC | Fri, Jun 10, 2011 | 12.57 | 12.89 | 12.55 | 12.69 | 224 | NYSE | AMRC | Thu, Jun 9, 2011 | 12.68 | 12.72 | 12.45 | 12.52 | 223 | NYSE | AMRC | Wed, Jun 8, 2011 | 13.05 | 13.10 | 12.31 | 12.55 | 222 | NYSE | AMRC | Tue, Jun 7, 2011 | 12.90 | 13.19 | 12.90 | 13.12 | 221 | NYSE | AMRC | Mon, Jun 6, 2011 | 13.77 | 13.77 | 12.92 | 12.98 | 220 | NYSE | AMRC | Fri, Jun 3, 2011 | 14.15 | 14.24 | 13.71 | 13.74 | 219 | NYSE | AMRC | Thu, Jun 2, 2011 | 14.27 | 14.54 | 14.04 | 14.37 | 218 | NYSE | AMRC | Wed, Jun 1, 2011 | 14.58 | 14.80 | 14.22 | 14.28 | 217 | NYSE | AMRC | Tue, May 31, 2011 | 15.04 | 15.04 | 14.58 | 14.62 | 216 | NYSE | AMRC | Fri, May 27, 2011 | 14.87 | 15.03 | 14.74 | 14.86 | 215 | NYSE | AMRC | Thu, May 26, 2011 | 15.32 | 15.32 | 14.75 | 14.81 | 214 | NYSE | AMRC | Wed, May 25, 2011 | 14.75 | 15.27 | 14.65 | 15.24 | 213 | NYSE | AMRC | Tue, May 24, 2011 | 14.91 | 14.96 | 14.70 | 14.73 | 212 | NYSE | AMRC | Mon, May 23, 2011 | 14.92 | 15.00 | 14.50 | 14.82 | 211 | NYSE | AMRC | Fri, May 20, 2011 | 15.02 | 15.25 | 14.93 | 14.99 | 210 | NYSE | AMRC | Thu, May 19, 2011 | 15.41 | 15.41 | 14.82 | 15.12 | 209 | NYSE | AMRC | Wed, May 18, 2011 | 14.76 | 15.33 | 14.50 | 15.28 | 208 | NYSE | AMRC | Tue, May 17, 2011 | 14.13 | 14.77 | 14.08 | 14.58 | 207 | NYSE | AMRC | Mon, May 16, 2011 | 15.17 | 15.17 | 14.12 | 14.13 | 206 | NYSE | AMRC | Fri, May 13, 2011 | 15.22 | 15.30 | 15.01 | 15.11 | 205 | NYSE | AMRC | Thu, May 12, 2011 | 14.97 | 15.47 | 14.88 | 15.18 | 204 | NYSE | AMRC | Wed, May 11, 2011 | 15.47 | 15.60 | 14.81 | 15.01 | 203 | NYSE | AMRC | Tue, May 10, 2011 | 15.53 | 15.82 | 15.43 | 15.44 | 202 | NYSE | AMRC | Mon, May 9, 2011 | 14.89 | 15.59 | 14.89 | 15.50 | 201 | NYSE | AMRC | Fri, May 6, 2011 | 15.81 | 16.15 | 14.81 | 14.86 | 200 | NYSE | AMRC | Thu, May 5, 2011 | 15.10 | 16.40 | 15.01 | 15.56 | 199 | NYSE | AMRC | Wed, May 4, 2011 | 16.77 | 16.89 | 14.85 | 14.97 | 198 | NYSE | AMRC | Tue, May 3, 2011 | 16.23 | 16.64 | 16.01 | 16.03 | 197 | NYSE | AMRC | Mon, May 2, 2011 | 16.30 | 16.59 | 16.07 | 16.16 | 196 | NYSE | AMRC | Fri, Apr 29, 2011 | 16.81 | 16.85 | 15.85 | 16.11 | 195 | NYSE | AMRC | Thu, Apr 28, 2011 | 16.67 | 17.09 | 16.51 | 16.68 | 194 | NYSE | AMRC | Wed, Apr 27, 2011 | 16.46 | 16.65 | 16.30 | 16.56 | 193 | NYSE | AMRC | Tue, Apr 26, 2011 | 16.48 | 16.50 | 16.09 | 16.37 | 192 | NYSE | AMRC | Mon, Apr 25, 2011 | 16.62 | 16.69 | 16.19 | 16.44 | 191 | NYSE | AMRC | Thu, Apr 21, 2011 | 16.28 | 16.50 | 16.30 | 16.47 | 190 | NYSE | AMRC | Wed, Apr 20, 2011 | 16.09 | 16.37 | 15.83 | 16.25 | 189 | NYSE | AMRC | Tue, Apr 19, 2011 | 16.11 | 16.20 | 15.56 | 15.65 | 188 | NYSE | AMRC | Mon, Apr 18, 2011 | 15.50 | 15.92 | 15.25 | 15.80 | 187 | NYSE | AMRC | Fri, Apr 15, 2011 | 14.43 | 16.67 | 14.34 | 15.14 | 186 | NYSE | AMRC | Thu, Apr 14, 2011 | 14.35 | 14.58 | 14.31 | 14.50 | 185 | NYSE | AMRC | Wed, Apr 13, 2011 | 14.43 | 14.46 | 14.18 | 14.35 | 184 | NYSE | AMRC | Tue, Apr 12, 2011 | 14.55 | 14.55 | 14.22 | 14.38 | 183 | NYSE | AMRC | Mon, Apr 11, 2011 | 14.57 | 14.80 | 14.34 | 14.60 | 182 | NYSE | AMRC | Fri, Apr 8, 2011 | 14.70 | 14.83 | 14.52 | 14.56 | 181 | NYSE | AMRC | Thu, Apr 7, 2011 | 14.60 | 14.68 | 14.55 | 14.60 | 180 | NYSE | AMRC | Wed, Apr 6, 2011 | 14.78 | 14.79 | 14.59 | 14.70 | 179 | NYSE | AMRC | Tue, Apr 5, 2011 | 14.47 | 14.80 | 14.40 | 14.67 | 178 | NYSE | AMRC | Mon, Apr 4, 2011 | 14.31 | 14.63 | 14.31 | 14.50 | 177 | NYSE | AMRC | Fri, Apr 1, 2011 | 14.15 | 14.32 | 13.72 | 14.23 | 176 | NYSE | AMRC | Thu, Mar 31, 2011 | 13.89 | 14.25 | 13.76 | 14.14 | 175 | NYSE | AMRC | Wed, Mar 30, 2011 | 13.41 | 13.91 | 13.30 | 13.87 | 174 | NYSE | AMRC | Tue, Mar 29, 2011 | 13.40 | 13.76 | 13.25 | 13.40 | 173 | NYSE | AMRC | Mon, Mar 28, 2011 | 13.84 | 14.05 | 13.44 | 13.46 | 172 | NYSE | AMRC | Fri, Mar 25, 2011 | 13.33 | 13.95 | 13.33 | 13.76 | 171 | NYSE | AMRC | Thu, Mar 24, 2011 | 13.00 | 13.29 | 13.00 | 13.29 | 170 | NYSE | AMRC | Wed, Mar 23, 2011 | 12.87 | 13.13 | 12.75 | 12.87 | 169 | NYSE | AMRC | Tue, Mar 22, 2011 | 12.99 | 13.07 | 12.65 | 12.88 | 168 | NYSE | AMRC | Mon, Mar 21, 2011 | 13.79 | 13.87 | 12.90 | 13.01 | 167 | NYSE | AMRC | Fri, Mar 18, 2011 | 13.42 | 13.75 | 13.12 | 13.74 | 166 | NYSE | AMRC | Thu, Mar 17, 2011 | 13.20 | 13.47 | 12.96 | 13.26 | 165 | NYSE | AMRC | Wed, Mar 16, 2011 | 13.20 | 13.20 | 12.81 | 12.95 | 164 | NYSE | AMRC | Tue, Mar 15, 2011 | 12.80 | 13.37 | 12.80 | 13.24 | 163 | NYSE | AMRC | Mon, Mar 14, 2011 | 13.23 | 13.44 | 13.22 | 13.29 | 162 | NYSE | AMRC | Fri, Mar 11, 2011 | 13.34 | 13.53 | 13.13 | 13.29 | 161 | NYSE | AMRC | Thu, Mar 10, 2011 | 13.91 | 13.91 | 12.85 | 13.44 | 160 | NYSE | AMRC | Wed, Mar 9, 2011 | 14.50 | 14.50 | 13.84 | 13.99 | 159 | NYSE | AMRC | Tue, Mar 8, 2011 | 14.85 | 15.00 | 14.48 | 14.52 | 158 | NYSE | AMRC | Mon, Mar 7, 2011 | 14.99 | 15.11 | 14.35 | 14.76 | 157 | NYSE | AMRC | Fri, Mar 4, 2011 | 14.70 | 15.29 | 14.70 | 14.97 | 156 | NYSE | AMRC | Thu, Mar 3, 2011 | 14.32 | 14.82 | 14.00 | 14.71 | 155 | NYSE | AMRC | Wed, Mar 2, 2011 | 14.12 | 14.51 | 14.07 | 14.24 | 154 | NYSE | AMRC | Tue, Mar 1, 2011 | 14.44 | 14.56 | 14.00 | 14.09 | 153 | NYSE | AMRC | Mon, Feb 28, 2011 | 14.35 | 14.86 | 14.21 | 14.42 | 152 | NYSE | AMRC | Fri, Feb 25, 2011 | 14.23 | 14.31 | 14.00 | 14.25 | 151 | NYSE | AMRC | Thu, Feb 24, 2011 | 14.00 | 14.51 | 14.00 | 14.24 | 150 | NYSE | AMRC | Wed, Feb 23, 2011 | 14.38 | 14.38 | 13.85 | 14.00 | 149 | NYSE | AMRC | Tue, Feb 22, 2011 | 13.93 | 14.61 | 13.87 | 14.41 | 148 | NYSE | AMRC | Fri, Feb 18, 2011 | 14.50 | 14.88 | 14.20 | 14.22 | 147 | NYSE | AMRC | Thu, Feb 17, 2011 | 14.98 | 15.19 | 13.35 | 14.54 | 146 | NYSE | AMRC | Wed, Feb 16, 2011 | 14.77 | 15.42 | 14.61 | 15.15 | 145 | NYSE | AMRC | Tue, Feb 15, 2011 | 14.95 | 14.99 | 14.73 | 14.74 | 144 | NYSE | AMRC | Mon, Feb 14, 2011 | 15.06 | 15.12 | 14.93 | 14.96 | 143 | NYSE | AMRC | Fri, Feb 11, 2011 | 15.13 | 15.21 | 14.90 | 15.10 | 142 | NYSE | AMRC | Thu, Feb 10, 2011 | 15.06 | 15.25 | 15.04 | 15.14 | 141 | NYSE | AMRC | Wed, Feb 9, 2011 | 15.10 | 15.24 | 15.01 | 15.11 | 140 | NYSE | AMRC | Tue, Feb 8, 2011 | 15.20 | 15.34 | 15.11 | 15.19 | 139 | NYSE | AMRC | Mon, Feb 7, 2011 | 14.81 | 15.30 | 14.77 | 15.11 | 138 | NYSE | AMRC | Fri, Feb 4, 2011 | 14.99 | 14.99 | 14.75 | 14.92 | 137 | NYSE | AMRC | Thu, Feb 3, 2011 | 15.23 | 15.25 | 14.90 | 14.99 | 136 | NYSE | AMRC | Wed, Feb 2, 2011 | 15.08 | 15.35 | 14.79 | 15.29 | 135 | NYSE | AMRC | Tue, Feb 1, 2011 | 15.40 | 15.60 | 15.01 | 15.16 | 134 | NYSE | AMRC | Mon, Jan 31, 2011 | 14.91 | 15.80 | 14.68 | 15.49 | 133 | NYSE | AMRC | Fri, Jan 28, 2011 | 15.93 | 15.93 | 15.00 | 15.01 | 132 | NYSE | AMRC | Thu, Jan 27, 2011 | 16.32 | 16.32 | 15.40 | 15.73 | 131 | NYSE | AMRC | Wed, Jan 26, 2011 | 16.14 | 16.50 | 16.01 | 16.29 | 130 | NYSE | AMRC | Tue, Jan 25, 2011 | 16.22 | 16.31 | 15.92 | 16.17 | 129 | NYSE | AMRC | Mon, Jan 24, 2011 | 15.46 | 16.49 | 15.30 | 16.43 | 128 | NYSE | AMRC | Fri, Jan 21, 2011 | 16.50 | 16.50 | 15.26 | 15.49 | 127 | NYSE | AMRC | Thu, Jan 20, 2011 | 15.99 | 16.54 | 15.25 | 16.37 | 126 | NYSE | AMRC | Wed, Jan 19, 2011 | 16.64 | 16.91 | 15.80 | 16.08 | 125 | NYSE | AMRC | Tue, Jan 18, 2011 | 16.78 | 17.13 | 16.50 | 16.68 | 124 | NYSE | AMRC | Fri, Jan 14, 2011 | 16.44 | 17.46 | 16.36 | 16.78 | 123 | NYSE | AMRC | Thu, Jan 13, 2011 | 15.73 | 16.55 | 15.63 | 16.45 | 122 | NYSE | AMRC | Wed, Jan 12, 2011 | 15.77 | 15.77 | 15.54 | 15.70 | 121 | NYSE | AMRC | Tue, Jan 11, 2011 | 15.49 | 15.98 | 15.45 | 15.65 | 120 | NYSE | AMRC | Mon, Jan 10, 2011 | 15.82 | 16.00 | 15.26 | 15.47 | 119 | NYSE | AMRC | Fri, Jan 7, 2011 | 15.80 | 16.12 | 15.60 | 15.81 | 118 | NYSE | AMRC | Thu, Jan 6, 2011 | 15.17 | 15.92 | 15.01 | 15.73 | 117 | NYSE | AMRC | Wed, Jan 5, 2011 | 15.70 | 16.00 | 14.80 | 15.14 | 116 | NYSE | AMRC | Tue, Jan 4, 2011 | 15.62 | 16.22 | 15.35 | 15.81 | 115 | NYSE | AMRC | Mon, Jan 3, 2011 | 14.43 | 15.51 | 14.43 | 15.50 | 114 | NYSE | AMRC | Fri, Dec 31, 2010 | 14.41 | 14.73 | 14.30 | 14.36 | 113 | NYSE | AMRC | Thu, Dec 30, 2010 | 14.08 | 14.88 | 14.03 | 14.39 | 112 | NYSE | AMRC | Wed, Dec 29, 2010 | 13.41 | 14.33 | 13.30 | 14.09 | 111 | NYSE | AMRC | Tue, Dec 28, 2010 | 13.03 | 13.05 | 12.93 | 12.99 | 110 | NYSE | AMRC | Mon, Dec 27, 2010 | 13.20 | 13.30 | 13.08 | 13.14 | 109 | NYSE | AMRC | Thu, Dec 23, 2010 | 13.28 | 13.28 | 13.10 | 13.20 | 108 | NYSE | AMRC | Wed, Dec 22, 2010 | 13.21 | 13.37 | 13.10 | 13.30 | 107 | NYSE | AMRC | Tue, Dec 21, 2010 | 13.35 | 13.40 | 13.04 | 13.16 | 106 | NYSE | AMRC | Mon, Dec 20, 2010 | 12.97 | 13.35 | 12.82 | 13.34 | 105 | NYSE | AMRC | Fri, Dec 17, 2010 | 12.93 | 13.08 | 12.90 | 12.95 | 104 | NYSE | AMRC | Thu, Dec 16, 2010 | 12.84 | 13.00 | 12.77 | 12.90 | 103 | NYSE | AMRC | Wed, Dec 15, 2010 | 12.97 | 13.17 | 12.81 | 12.84 | 102 | NYSE | AMRC | Tue, Dec 14, 2010 | 13.02 | 13.08 | 12.95 | 12.96 | 101 | NYSE | AMRC | Mon, Dec 13, 2010 | 13.16 | 13.26 | 12.92 | 12.93 | 100 | NYSE | AMRC | Fri, Dec 10, 2010 | 13.05 | 13.34 | 12.96 | 13.15 | 99 | NYSE | AMRC | Thu, Dec 9, 2010 | 12.98 | 13.09 | 12.76 | 13.00 | 98 | NYSE | AMRC | Wed, Dec 8, 2010 | 13.09 | 13.09 | 12.80 | 12.91 | 97 | NYSE | AMRC | Tue, Dec 7, 2010 | 13.40 | 13.40 | 13.00 | 13.05 | 96 | NYSE | AMRC | Mon, Dec 6, 2010 | 13.09 | 13.45 | 12.95 | 13.29 | 95 | NYSE | AMRC | Fri, Dec 3, 2010 | 12.85 | 13.17 | 12.85 | 13.05 | 94 | NYSE | AMRC | Thu, Dec 2, 2010 | 12.83 | 13.00 | 12.79 | 12.90 | 93 | NYSE | AMRC | Wed, Dec 1, 2010 | 13.12 | 13.12 | 12.75 | 12.89 | 92 | NYSE | AMRC | Tue, Nov 30, 2010 | 12.86 | 13.00 | 12.70 | 12.95 | 91 | NYSE | AMRC | Mon, Nov 29, 2010 | 12.97 | 13.00 | 12.71 | 12.87 | 90 | NYSE | AMRC | Fri, Nov 26, 2010 | 12.95 | 13.00 | 12.80 | 12.96 | 89 | NYSE | AMRC | Wed, Nov 24, 2010 | 12.90 | 13.00 | 12.85 | 13.00 | 88 | NYSE | AMRC | Tue, Nov 23, 2010 | 12.90 | 12.95 | 12.70 | 12.86 | 87 | NYSE | AMRC | Mon, Nov 22, 2010 | 13.05 | 13.25 | 12.62 | 12.97 | 86 | NYSE | AMRC | Fri, Nov 19, 2010 | 12.28 | 12.34 | 12.16 | 12.29 | 85 | NYSE | AMRC | Thu, Nov 18, 2010 | 12.15 | 12.41 | 12.05 | 12.26 | 84 | NYSE | AMRC | Wed, Nov 17, 2010 | 11.65 | 12.15 | 11.65 | 12.00 | 83 | NYSE | AMRC | Tue, Nov 16, 2010 | 11.77 | 11.77 | 11.51 | 11.59 | 82 | NYSE | AMRC | Mon, Nov 15, 2010 | 11.90 | 11.95 | 11.78 | 11.88 | 81 | NYSE | AMRC | Fri, Nov 12, 2010 | 11.98 | 12.06 | 11.81 | 11.93 | 80 | NYSE | AMRC | Thu, Nov 11, 2010 | 12.10 | 12.15 | 11.99 | 12.07 | 79 | NYSE | AMRC | Wed, Nov 10, 2010 | 12.10 | 12.22 | 11.87 | 12.02 | 78 | NYSE | AMRC | Tue, Nov 9, 2010 | 11.59 | 11.90 | 11.51 | 11.77 | 77 | NYSE | AMRC | Mon, Nov 8, 2010 | 11.90 | 12.05 | 11.62 | 11.68 | 76 | NYSE | AMRC | Fri, Nov 5, 2010 | 12.23 | 12.25 | 11.85 | 11.87 | 75 | NYSE | AMRC | Thu, Nov 4, 2010 | 12.44 | 12.44 | 11.60 | 12.19 | 74 | NYSE | AMRC | Wed, Nov 3, 2010 | 12.69 | 12.71 | 12.24 | 12.30 | 73 | NYSE | AMRC | Tue, Nov 2, 2010 | 12.48 | 12.70 | 12.22 | 12.65 | 72 | NYSE | AMRC | Mon, Nov 1, 2010 | 13.10 | 13.50 | 12.20 | 12.37 | 71 | NYSE | AMRC | Fri, Oct 29, 2010 | 12.39 | 13.75 | 12.39 | 13.12 | 70 | NYSE | AMRC | Thu, Oct 28, 2010 | 12.52 | 12.53 | 12.12 | 12.30 | 69 | NYSE | AMRC | Wed, Oct 27, 2010 | 12.29 | 12.51 | 12.00 | 12.50 | 68 | NYSE | AMRC | Tue, Oct 26, 2010 | 12.74 | 12.74 | 12.29 | 12.39 | 67 | NYSE | AMRC | Mon, Oct 25, 2010 | 12.65 | 12.89 | 12.54 | 12.80 | 66 | NYSE | AMRC | Fri, Oct 22, 2010 | 12.56 | 12.64 | 12.46 | 12.59 | 65 | NYSE | AMRC | Thu, Oct 21, 2010 | 12.97 | 12.99 | 12.40 | 12.51 | 64 | NYSE | AMRC | Wed, Oct 20, 2010 | 12.93 | 13.00 | 12.83 | 12.90 | 63 | NYSE | AMRC | Tue, Oct 19, 2010 | 12.85 | 13.00 | 12.74 | 12.82 | 62 | NYSE | AMRC | Mon, Oct 18, 2010 | 12.51 | 13.00 | 12.26 | 12.97 | 61 | NYSE | AMRC | Fri, Oct 15, 2010 | 12.66 | 12.68 | 12.47 | 12.53 | 60 | NYSE | AMRC | Thu, Oct 14, 2010 | 12.97 | 12.97 | 12.52 | 12.56 | 59 | NYSE | AMRC | Wed, Oct 13, 2010 | 12.75 | 12.95 | 12.54 | 12.95 | 58 | NYSE | AMRC | Tue, Oct 12, 2010 | 12.22 | 12.75 | 12.20 | 12.72 | 57 | NYSE | AMRC | Mon, Oct 11, 2010 | 12.21 | 12.43 | 12.13 | 12.26 | 56 | NYSE | AMRC | Fri, Oct 8, 2010 | 12.11 | 12.23 | 12.09 | 12.18 | 55 | NYSE | AMRC | Thu, Oct 7, 2010 | 12.22 | 12.24 | 12.06 | 12.11 | 54 | NYSE | AMRC | Wed, Oct 6, 2010 | 12.07 | 12.25 | 11.96 | 12.19 | 53 | NYSE | AMRC | Tue, Oct 5, 2010 | 12.06 | 12.22 | 11.72 | 12.10 | 52 | NYSE | AMRC | Mon, Oct 4, 2010 | 12.32 | 12.32 | 11.71 | 11.93 | 51 | NYSE | AMRC | Fri, Oct 1, 2010 | 11.90 | 12.30 | 11.85 | 12.30 | 50 | NYSE | AMRC | Thu, Sep 30, 2010 | 12.58 | 12.78 | 11.88 | 11.90 | 49 | NYSE | AMRC | Wed, Sep 29, 2010 | 11.85 | 13.12 | 11.83 | 12.50 | 48 | NYSE | AMRC | Tue, Sep 28, 2010 | 11.42 | 11.88 | 11.42 | 11.85 | 47 | NYSE | AMRC | Mon, Sep 27, 2010 | 11.82 | 11.82 | 11.10 | 11.46 | 46 | NYSE | AMRC | Fri, Sep 24, 2010 | 11.52 | 11.99 | 11.42 | 11.74 | 45 | NYSE | AMRC | Thu, Sep 23, 2010 | 11.78 | 11.78 | 11.41 | 11.51 | 44 | NYSE | AMRC | Wed, Sep 22, 2010 | 12.10 | 12.14 | 11.64 | 11.76 | 43 | NYSE | AMRC | Tue, Sep 21, 2010 | 13.00 | 13.00 | 12.23 | 12.23 | 42 | NYSE | AMRC | Mon, Sep 20, 2010 | 13.00 | 13.07 | 12.90 | 12.96 | 41 | NYSE | AMRC | Fri, Sep 17, 2010 | 13.15 | 13.21 | 12.69 | 13.00 | 40 | NYSE | AMRC | Thu, Sep 16, 2010 | 13.50 | 13.83 | 12.55 | 13.15 | 39 | NYSE | AMRC | Wed, Sep 15, 2010 | 13.77 | 13.88 | 13.35 | 13.65 | 38 | NYSE | AMRC | Tue, Sep 14, 2010 | 14.17 | 14.17 | 13.64 | 13.74 | 37 | NYSE | AMRC | Mon, Sep 13, 2010 | 13.40 | 14.10 | 13.17 | 14.00 | 36 | NYSE | AMRC | Fri, Sep 10, 2010 | 13.20 | 13.39 | 12.91 | 13.13 | 35 | NYSE | AMRC | Thu, Sep 9, 2010 | 12.87 | 13.27 | 12.60 | 13.05 | 34 | NYSE | AMRC | Wed, Sep 8, 2010 | 12.80 | 13.19 | 12.53 | 12.80 | 33 | NYSE | AMRC | Tue, Sep 7, 2010 | 12.85 | 12.88 | 12.60 | 12.71 | 32 | NYSE | AMRC | Fri, Sep 3, 2010 | 12.25 | 13.18 | 12.10 | 12.94 | 31 | NYSE | AMRC | Thu, Sep 2, 2010 | 11.95 | 12.45 | 11.55 | 12.25 | 30 | NYSE | AMRC | Wed, Sep 1, 2010 | 12.44 | 12.45 | 11.79 | 11.87 | 29 | NYSE | AMRC | Tue, Aug 31, 2010 | 11.57 | 12.39 | 11.40 | 12.18 | 28 | NYSE | AMRC | Mon, Aug 30, 2010 | 11.25 | 11.96 | 11.24 | 11.44 | 27 | NYSE | AMRC | Fri, Aug 27, 2010 | 10.80 | 11.31 | 10.80 | 11.25 | 26 | NYSE | AMRC | Thu, Aug 26, 2010 | 11.38 | 11.55 | 10.64 | 10.95 | 25 | NYSE | AMRC | Wed, Aug 25, 2010 | 11.48 | 11.67 | 11.17 | 11.55 | 24 | NYSE | AMRC | Tue, Aug 24, 2010 | 11.50 | 12.00 | 11.00 | 11.59 | 23 | NYSE | AMRC | Mon, Aug 23, 2010 | 11.58 | 12.33 | 11.34 | 11.50 | 22 | NYSE | AMRC | Fri, Aug 20, 2010 | 10.15 | 11.74 | 10.08 | 11.23 | 21 | NYSE | AMRC | Thu, Aug 19, 2010 | 10.00 | 10.15 | 9.99 | 10.10 | 20 | NYSE | AMRC | Wed, Aug 18, 2010 | 9.95 | 10.10 | 9.95 | 10.05 | 19 | NYSE | AMRC | Tue, Aug 17, 2010 | 10.00 | 10.10 | 10.00 | 10.05 | 18 | NYSE | AMRC | Mon, Aug 16, 2010 | 10.02 | 10.10 | 10.00 | 10.03 | 17 | NYSE | AMRC | Fri, Aug 13, 2010 | 10.04 | 10.05 | 10.00 | 10.00 | 16 | NYSE | AMRC | Thu, Aug 12, 2010 | 10.10 | 10.25 | 10.05 | 10.11 | 15 | NYSE | AMRC | Wed, Aug 11, 2010 | 10.03 | 10.10 | 10.00 | 10.09 | 14 | NYSE | AMRC | Tue, Aug 10, 2010 | 10.00 | 10.10 | 10.00 | 10.00 | 13 | NYSE | AMRC | Mon, Aug 9, 2010 | 10.00 | 10.05 | 9.90 | 10.00 | 12 | NYSE | AMRC | Fri, Aug 6, 2010 | 10.00 | 10.03 | 9.95 | 10.00 | 11 | NYSE | AMRC | Thu, Aug 5, 2010 | 10.00 | 10.05 | 10.00 | 10.00 | 10 | NYSE | AMRC | Wed, Aug 4, 2010 | 9.95 | 10.07 | 9.90 | 10.07 | 9 | NYSE | AMRC | Tue, Aug 3, 2010 | 10.01 | 10.07 | 10.00 | 10.00 | 8 | NYSE | AMRC | Mon, Aug 2, 2010 | 10.00 | 10.15 | 10.00 | 10.13 | 7 | NYSE | AMRC | Fri, Jul 30, 2010 | 10.16 | 10.16 | 9.95 | 10.00 | 6 | NYSE | AMRC | Thu, Jul 29, 2010 | 10.00 | 10.16 | 9.99 | 10.15 | 5 | NYSE | AMRC | Wed, Jul 28, 2010 | 10.06 | 10.08 | 9.80 | 10.00 | 4 | NYSE | AMRC | Tue, Jul 27, 2010 | 9.88 | 10.10 | 9.56 | 10.00 | 3 | NYSE | AMRC | Mon, Jul 26, 2010 | 10.04 | 10.07 | 9.34 | 9.93 | 2 | NYSE | AMRC | Fri, Jul 23, 2010 | 10.30 | 10.35 | 10.00 | 10.06 | 1 | NYSE | AMRC | Thu, Jul 22, 2010 | 10.25 | 10.90 | 10.15 | 10.17 |
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# | Exchange | Symbol | Date | Open | High | Low | Close |
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