Stock Market Today Key Indices Navigate Mixed Signals Amid Economic Data Reid Hoffman Raises 246 Million for AI CancerResearch Startup Manas AI Taiwan Chip Stocks Rally as Nvidia Unveils 150 Billion Spending Plan Chinas Cambricon Slumps Tesla Stock Forms ThreeWeeksTight Pattern Amid Recovery From Deep Slump Social Security Timing BreakEven Analysis Suggests Potential Benefit of Delayed Filing for 62YearOld Earning 20000 Fed Minutes Reveal Officials Ready to Raise Rates If Inflation Persists Oil Prices Tumble Over 5 as Iran Nuclear Deal Prospects Weigh on Market