Shares of Western Digital Corp (NASDAQ: WDC ) were trading lower Tuesday in the wake of the storage solutions provider's disappointing fiscal third-quarter report. The Analysts Wells Fargo Recommends Buying On Weakness Western Digital's fourth-quarter gross margin and EPS guidance are clearly negative, but the earnings-induced weakness presents a buying opportunity, Rakers said in a Monday note. The analyst based his stance on two factors: Wells Fargo significantly lowered its EPS estimates for the fourth quarter from 54 cents to 10-30 cents. Third-quarter lash revenue was slightly below expectations, primarily due to a steeper-than-expected drop in blended flash ASP, Rakers said. Gross margins of 21 percent reflect a $110-million inventory writedown, trailing Wells Fargo's 25.4-percent estimate. Yet HDD revenue exceeded estimates, the analyst said.