$Sandisk(SNDK.US)Although a pre-earnings rally is a dangerous signal, I can't think of any reason for a drop. Moreover, today's big gap up at the open probably washed out a lot of retail investors. Seeing Sandisk in the red earlier, I thought tomorrow would be stable. At the same time, the market makers also used SK Hynix's earnings to wash out some positions a couple of days ago. Could this rally now be to scare retail investors from chasing higher? Initial judgment is that the market makers are washing out positions a few days early to prevent retail from gambling on earnings based on pre-earnings price movements.