Photronics Inc. (Nasdaq: PLAB) shares rose 14.6% to $7.70, on volumes of 2.1 million shares, compared to a daily average of 558,130 after the maker of semiconductor gears on Wednesday bolstered its first-quarter outlook.

Wells Fargo and Company (NYSE: WFC) traded in 41.8 million shares Wednesday, trumping its daily average of 30 million. Prices dipped 3% to $33.09, after the bank’s CFO left.

Computer Sciences Corporation (NYSE: CSC) shares tumbled 14% to $48.64 Wednesday. Volume was 6.5 million shares, towering over a full-day average of 1.2 million shares, after the company cut its earnings-per-share and revenue forecasts for the full fiscal year.