AI Stocks Tumble as Chinas DeepSeek Sparks Widespread Tech Selloff LandBridge LB Q1 2026 Earnings Miss EPS 037 vs 046 Expected Shoulder Innovations SI Crushes Q1 2026 Estimates EPS 041 Tops Views Anthropic Surpasses OpenAI as Most Valuable AI Startup Following 65 Billion Funding Round SAZ Q1 2026 Earnings Significant EPS Miss on Negative Earnings IBM Commits 10 Billion to Build LargeScale Quantum Computer by 2029