Sandisk Corporation (NASDAQ:SNDK – Get Free Report) shares shot up 10.8% during mid-day trading on Tuesday . Key Stories Impacting SandiskHere are the key news stories impacting Sandisk this week:Get Sandisk alerts:Positive Sentiment: Fiscal Q4 results were significantly above expectations. Sandisk Stock Buyback ReportThe program allows Sandisk to repurchase up to roughly 6.6% of outstanding shares, signaling management’s confidence in cash generation and the company’s valuation. Jefferies Cuts Sandisk Price TargetWall Street Analyst Weigh InA number of research analysts recently weighed in on SNDK shares. Sandisk Company Profile(Get Free Report)SanDisk Corporation offers flash storage solutions.