S&P 500 Gains and Losses Today: Index Pops to All-Time High After Jumbo Rate Cut

Market Performance - The S&P 500 surged 1.7% to a record closing high following a half-percentage-point interest rate cut by the Federal Reserve [1][2] - The Dow Jones Industrial Average increased by 1.3%, while the Nasdaq Composite rose by 2.5%, driven by strong performance in the tech sector [2] Company Highlights - Darden Restaurants' shares rose by 8.3% after reporting improved sales trends and announcing a pilot delivery partnership with Uber Eats for Olive Garden [3] - Tesla's stock jumped 7.4% following the Fed's rate cut, benefiting from the high rate environment that typically affects vehicle financing [4] - Quanta Services' shares increased by 6.5% after Wolfe Research initiated coverage with an "outperform" rating, citing its strong position in energy sectors [5] - Deckers Outdoor's stock fell by 3.3% after a six-for-one stock split, making it the weakest performer in the S&P 500 [6] - Ventas, a healthcare-focused REIT, saw its shares drop by 3.1% after announcing an agreement to purchase five LTAC facilities [7] - Arthur J. Gallagher & Co. also experienced a 3.1% decline, retreating from record-high levels earlier in the week [8]