abnormal behaviour, page-42

I just noticed something very strange, a whole lot of ZERO cross trades for zero value.....WTF ???

10:53:31 AM 0.000 0 0.00 XT
10:53:30 AM 2.570 8 20.56
10:53:14 AM 0.000 0 0.00 XT
10:53:14 AM 0.000 0 0.00 XT
10:52:16 AM 0.000 0 0.00 XT
10:51:46 AM 0.000 0 0.00 XT
10:51:33 AM 2.570 1,224 3,145.68
10:51:33 AM 2.570 130 334.10
10:51:28 AM 2.570 411 1,056.27
10:51:27 AM 2.570 6 15.42
10:51:27 AM 2.570 2,753 7,075.21
10:51:22 AM 0.000 0 0.00 XT
10:51:22 AM 2.570 501 1,287.57
10:51:08 AM 2.570 1,077 2,767.89
10:51:08 AM 2.570 122 313.54
10:51:08 AM 2.570 8,678 22,302.46
10:51:01 AM 0.000 0 0.00 XT
10:50:53 AM 0.000 0 0.00 XT
10:50:47 AM 0.000 0 0.00 XT
10:50:33 AM 0.000 0 0.00 XT
10:50:32 AM 2.570 1,000 2,570.00
10:49:46 AM 0.000 0 0.00 XT
10:49:31 AM 0.000 0 0.00 XT