This has been happening all week. This has to be price...

This has been happening all week. This has to be price manipulation. If i did this it would cost thousands in brokerage for so many small orders. How can this be allowed to occur for some but not for small investors/traders.

All Trades
Time Price Volume Value
13:21:17 47.5 24 11.4
13:14:17 47.5 24 11.4
13:10:02 47.5 23 10.925
13:06:32 47.5 23 10.925
13:00:02 47.5 25 11.875
12:56:32 47.5 24 11.4
12:53:17 47.5 24 11.4
12:50:02 47.5 23 10.925
12:46:01 47.5 24 11.4
12:40:31 47.5 24 11.4
12:36:01 47.5 24 11.4
12:34:43 47.5 25 11.875
12:34:43 47.5 25 11.875
12:34:43 47.5 4000 1900
12:12:10 47 10 4.7
12:12:10 47 848 398.56
12:12:10 47 503 236.41
12:12:10 47 45 21.15
12:12:10 47 1183 556.01
12:12:10 47 24 11.28
12:12:10 47 14 6.58
12:11:31 47 -25 -11.75
12:11:31 47 25 11.75
12:11:31 47 -25 -11.75
12:11:31 47 25 11.75
12:11:20 47 3235 1520.45
12:11:20 47 13127 6169.69
12:11:20 47 7631 3586.57
12:08:15 47 10000 4700
12:06:35 47 19242 9043.74
12:05:42 47.5 64 30.4
12:05:42 47.5 6564 3117.9
12:04:33 47.5 1011 480.225
12:04:32 47.5 636 302.1
12:04:32 47.5 129 61.275
12:04:32 47.5 467 221.825
12:04:32 47.5 1107 525.825
12:04:32 47.5 86 40.85
12:03:16 47.5 15 7.125
12:03:16 47.5 -8 -3.8
12:03:16 47.5 8 3.8
12:03:04 47.5 27 12.825
12:03:04 47.5 8 3.8
12:03:04 47.5 24 11.4
11:59:16 48 24 11.52
11:54:31 48 23 11.04
11:48:16 48 24 11.52
11:43:46 48 24 11.52
11:40:16 48 23 11.04
11:35:01 48 24 11.52
11:33:06 48 1153 553.44
11:33:06 48 847 406.56
11:29:16 48 23 11.04
11:24:46 48 23 11.04
11:19:01 48 24 11.52
11:14:16 48 23 11.04
11:10:46 48 23 11.04
11:06:01 48 24 11.52
11:02:31 48 24 11.52
10:58:46 48 23 11.04
10:54:31 48 24 11.52
10:51:31 48 7 3.36
10:49:43 48 11 5.28
10:49:42 48 1000 480
10:49:31 47.5 24 11.4
10:47:16 47.5 24 11.4
10:41:27 47.5 25 11.875
10:41:27 47 30758 14456.26
10:41:27 47.5 24 11.4
10:41:01 48 24 11.52
10:39:47 48 26 12.48
10:39:47 48 26 12.48
10:39:46 48 1193 572.64
10:39:36 47.5 2796 1328.1
10:39:36 47.5 1011 480.225
10:27:07 46 2601 1196.46