S&P 500 Falls Over 100 Points; Dada Nexus Shares Spike Higher

Market Overview - U.S. stocks exhibited mixed trading patterns, with the S&P 500 declining over 100 points, down 1.84% to 5,988.74, while the Dow increased by 0.22% to 44,521.81 and the NASDAQ fell 3.29% to 19,297.13 [1] - Health care shares experienced a surge of 2%, contrasting with a 5.5% drop in information technology shares [1] Company News - Dada Nexus Limited received a preliminary, non-binding acquisition proposal from JD.com, Inc. to acquire all shares at $2.00 per ADS ($0.50 per Ordinary Share) in cash [2] - Aurora Mobile Limited's shares rose by 130% to $13.30 following the integration of its GPTBots.ai platform with the DeepSeek R1 large language model [9] - Akero Therapeutics, Inc. saw its shares surge 102$52.87 after reporting preliminary results from its SYMMETRY Phase 2B study of Efruxifermin [9] - Dada Nexus Limited's shares increased by 27% to $1.79 after the acquisition proposal from JD.com [9] - Allakos Inc. shares plummeted 79$0.2524 after announcing the discontinuation of AK006 development and a 75% workforce reduction [9] - Veru Inc. shares fell 49% to $0.6177 following results from a Phase 2b trial of Enobosarm [9] - PMGC Holdings Inc. shares decreased by 34$2.06 after announcing $1.9 million in gross proceeds from warrant inducement with institutional investors [9] Economic Indicators - U.S. building permits rose by 0.7% to an annualized rate of 1.482 million in December [10]