Broad AI Stock Selloff Deepens as Chinas DeepSeek Rattles US Tech Sector US Governments 2 Billion Quantum Computing Incentives Boost Sector Sentiment SpaceX Successfully Launches Starship on Second Attempt in Key Test Flight Cement Sector Faces Cost Pressures as Industry Eyes Demand Recovery and Price Hikes Singapore Capitalizes on AI Investment Surge Warns of Chip Production Risks from Geopolitical Tensions Nvidia Stock Approaches Critical Technical Level Traders Eye Potential Breakout