Sandisk, Marvell, Robinhood, Novartis, Dell, and More Stocks That Explain Today's Market — Barrons.com

By George GloverStock futures were dropping on Tuesday a run-up in bond yields set the market on edge at the start of what is historically the worst month for the S&P 500.Artificial-intelligence stocks were struggling as investors ditched risk assets. Shares of memory-card maker Sandisk slid 3.2% a…