In 'What's Ahead on Wall Street' for the week of Feb. 29, earnings season is coming to an end, but we have a few more companies reporting. We kick off the week with 3D Systems (DDD) and Lumber Liquidators (LL) followed by AutoZone (AZO), Dollar Tree (DLTR), (JD) and Kate Spate (KATE) on Tuesday. Then midweek, we'll get Abercrombie & Fitch (ANF) and Costco Wholesale (COST). On Thursday, expect to hear from Ambarella (AMBA) and Burlington Stores (BURL) then we end the week with Staples (SPLS). The big report investors will be looking at is Costco. For the latest quarter, Wall Street is looking for earnings of $1.28 a share on revenue of about $28.5 billion. Both the top and bottom line are projected to increase from a year ago. Investors will be focusing on comparable store sales and its subscriber metrics. On the economic calendar, we have the ISM manufacturing index on Tuesday followed by the weekly oil inventory data midweek. Then Thursday, we get jobless claims and end the week with the employment situation and international trade. TheStreet's U-Jin Lee reports from Wall Street.