Stock Market Today: Dow, S&P 500 Hold Steady; ECB Cuts Interest Rates — Live Updates  The Wall Street JournalStocks making the biggest moves midday: Kroger, Petco, Moderna, Roku and more  CNBCOracle’s Larry Ellison Sees $100 Billion AI Boom Powered by Nuclear Energy  Barron’s4 stocks to watch on Thursday: KR…