S&P 500 Gains and Losses Today: Electronic Arts Drops as Game Maker Cuts Forecast

Company Performance - Moderna (MRNA) shares increased by 10.1%, driven by discussions on AI's potential in cancer vaccine development and additional government funding for avian influenza vaccine development [4] - GE Aerospace (GE) reported better-than-expected sales and profits for Q4, with shares rising 6.6% due to strong profit guidance for 2025 and progress in resolving supply chain issues [5] - Union Pacific (UNP) shares rose 5.2% after exceeding analysts' expectations with a year-over-year increase in quarterly EPS, aided by lower fuel costs and improved freight car velocity [6] - Electronic Arts (EA) shares fell 16.7% after the company lowered its net bookings guidance, attributing the decline to underperformance in several games, particularly its soccer franchise [7] - Leidos Holdings (LDOS) secured a TSA contract for airport security equipment maintenance, but shares dropped 7.6% following concerns about potential government spending cuts discussed by CACI International [8] - Micron Technology (MU) shares decreased by 4.0% after competitor SK Hynix indicated a mixed demand outlook for 2025, although Micron may benefit from favorable Trump administration policies [9] Market Overview - Major U.S. equities indexes, including the S&P 500, Dow, and Nasdaq, moved higher, with the S&P 500 gaining 0.5% to reach an all-time closing high [2][3]