Investors·2025-12-20 14:29Group 1 - The stock market experienced fluctuations, with the S&P 500 and Nasdaq initially breaking below their 50-day lines due to AI-related fears, but later rebounding above that key level [5] - Several stocks have shown buy signals as the market improved, indicating potential investment opportunities [6] - Oracle's stock surged following reports that TikTok signed a deal to create a U.S. joint venture, highlighting the impact of strategic partnerships on stock performance [7] Group 2 - Palantir's stock saw a significant increase of 134%, demonstrating resilience despite AI market jitters [10] - The S&P 500 and Nasdaq rallied following a favorable inflation report, suggesting a positive market sentiment towards AI leaders [10] - Lam Research, identified as IBD Stock of the Day, reached an all-time high, reflecting strong prospects for 2026 [8]