S&P 500 Gains and Losses Today: Walgreens Stock Pops After Promising Results

Market Overview - Major U.S. equities indexes experienced a decline, with the S&P 500 dropping 1.5%, the Dow down 1.6%, and the Nasdaq also falling 1.6% as the market resumed trading after a day of mourning for former President Jimmy Carter [2][3] Employment Data Impact - The U.S. economy added 256,000 jobs in December, significantly surpassing economists' forecasts, which raised concerns about the Federal Reserve's ability to implement further interest rate cuts in 2025 [2] Company Performance - Constellation Brands (STZ) saw its shares plummet 17.1% after reporting lower-than-expected quarterly sales and reducing its annual forecast, citing inflationary pressures and changing consumer preferences [4] - PG&E (PCG) shares fell 10.8% due to ongoing wildfires in Southern California, with the company previously declaring Chapter 11 bankruptcy in 2019 related to fire damages [5] - ON Semiconductor (ON) shares decreased by 7.5% after Truist downgraded the stock from "buy" to "hold," expressing a cautious outlook despite management's belief in a revenue recovery [6] - Walgreens Boots Alliance (WBA) shares surged 27.6% following better-than-expected sales and adjusted profits for Q1 of fiscal 2025, indicating early progress in its turnaround plan [7] - Constellation Energy (CEG) shares increased by 25.2% after announcing the acquisition of Calpine, enhancing its presence in California and Texas and positioning it as the largest clean energy provider in the U.S. [8] - Delta Air Lines (DAL) shares rose 9% after the airline provided optimistic first-quarter profit guidance, anticipating strong travel demand [9]