U.S. stocks extended gains into Monday afternoon, attempting to shake off earlier weakness, after federal regulators stepped in to inoculate the banking system from further runs on vulnerable financial institutions.How stocks are trading Last week, a selloff in bank stocks pulled down the broader market, leaving the S&P 500 with a 4.6% weekly decline and nearly wiping out the large-cap benchmark’s early 2023 gains. The Dow saw a 4.6% weekly fall, while the Nasdaq Composite declined 4.7%.What’s driving markets…
