SanDisk (SNDK) is set to report Q4 earnings after the market close on Wednesday, January 23, with a conference call scheduled for 5:00 pm ET. SanDisk is a data storage solutions company that offers flash memory products in removable cards, embedded products, and USB drives... EXPECTATIONS: Analysts are looking for EPS of 76c on revenue of $1.53B, according to First Call. The consensus range for EPS 68c-90c on revenue of $1.5B-$1.59B... LAST QUARTER: SanDisk reported Q3 adjusted EPS of 48c against estimates for 33c on revenue of $1.27B against estimates for $1.22B. During its Q3 earnings call, SanDisk said it sees Q4 revenue of $1.5B, plus or minus $50M, and said it expects solid revenue growth in 2013. On December 20, SanDisk authorized an additional $750M share repurchase program, bringing the total amount authorized for stock repurchases under the company's current program to $1.25B... STREET RESEARCH: Street research has been generally positive on SanDisk since its Q3 earnings report, with shares receiving two upgrades the day after reporting Q3 earnings. Shares were upgraded last week to Buy from Hold at Cross Research. Shares were downgraded at RBC Capital in the week following its Q3 earnings report with a $50 price target. Shares were recommended at Lazard Capital, and then Morgan Stanley, in December and yesterday Jefferies raised their price target on shares to $59 from $51...PRICE ACTION: Shares of SanDisk traded lower following its Q3 report, but have climbed more than $4.50, or more than 10.5%, through December and into January. In afternoon trading ahead of today's Q4 report, SanDisk shares are down about 0.7%.