Warren Buffett’s Berkshire Hathaway stake in UnitedHealth Group boosted the stock, leading to a surge in shares. The S&P 500 slipped 0.3% due to concerns over tariffs, inflation, and the job market. Applied Materials provided a disappointing outlook, causing shares to fall. UnitedHealth Group saw a 12% surge after Berkshire Hathaway increased its stake. Sunrun beat sales and profit forecasts, with shares soaring 33%. Moderna gained 5% after positive comments on its mRNA vaccine technology. Applied Materials’ stock tumbled 14% due to macroeconomic uncertainty. Paramount Skydance shares fell 4.6% amid comparisons to meme stocks. HSBC downgraded Cisco Systems stock, causing a 4.5% drop.

Read more at Yahoo Finance: UnitedHealth Stock Climbs After News of Berkshire Stake