Shares of Western Digital (WDC) have been strong performers lately, with the stock up 24.9% over the past month. The stock hit a new 52-week high of $96.18 in the previous session. Western Digital has gained 59.4% since the start of the year compared to the 18.2% move for the Zacks Computer and Technology sector and the 30.6% return for the Zacks Computer- Storage Devices industry.What's Driving the Outperformance?The stock has a great record of positive earnings surprises, as it hasn't missed our earnings ...