In the week ahead, Wall Street eyes earnings results from Sotheby's (BID), Best Buy (BBY), Ambarella (AMBA), AutoZone (AZO), PetSmart (PETM), Abercrombie and Fitch (ANF), Costco Wholesale (COST), Staples (SPLS), and Foot Locker (FL). Costco will report earnings Thursday morning, after the warehouse retailer ditched American Express (AXP) as its only accepted credit card in its stores. Plus, Target's (TGT) Investor Day is scheduled for Tuesday, and TheStreet's Jim Cramer says there's one thing he's looking out for. On the economic calendar, we keep a close eye on four reports for data that may move the markets. TheStreet's Kurumi Fukushima reports in New York.