ProfitTaking Strategy Trimming a Stock That Surged 80 Since April Initiation US Productivity Growth Slows in Q4 Unit Labor Costs Rise Sharply Tata Sons Board to Review Strategy Amid Leadership Tensions and Investment Push Tech Leaders Pledge Up to 500 Billion in AI Investment in US US Prioritizes American AI Expansion in Asia Following TrumpXi Meeting Official Quantum Computing Stocks Surge on US Governments 2 Billion Funding Plan and Equity Stakes SpaceX IPO Nvidia Earnings and Bezos on AI Key Market Movers This Week