Just 1 suggestion but i'm sure there is more then meets the eye...
Historical Short Volume Data for ONCI
Date Close High Low Volume Short Volume % of Vol Shorted
May 03 NA NA NA 13,688,569 8,439,448 61.65
May 02 NA NA NA 38,901,911 23,321,770 59.95
May 01 NA NA NA 79,494,122 52,028,441 65.45