The Fed's interest rate decision Wednesday afternoon will be crucial for the macro front, though Diane King Hall turns her attention to micro movers. She notes PepsiCo's (PEP) bullish hopes to boost sales and cut costs, leading JPMorgan to turn bullish on the stock. Palantir (PLTR) shares gained at the opening bell after securing a new contract with the U.S. Navy. Diane turns to a stock losing traction in GameStop (GME) after its earnings miss.