Sandisk (SNDK) dips premarket ahead of Q4 earnings. Wall Street expects big EPS growth. Here are key technicals and earnings estimates.

SanDisk stock has plunged by 50% from its highest level this year, with investors focusing on the upcoming earnings this week.

Sandisk stock dipped nearly 5% premarket ahead of Aug. 5 earnings. Wall Street expects $33.38 EPS on $8.24B revenue.