SP 500 Extends Weekly Win Streak to Seven Despite Anticlimactic TrumpXi Summit Calix CALX Slides 112 as Selling Pressure Mounts 20260515 Safe Havens Surge as DeepSeek AI Disruption Rattles Tech Stocks Vermont SelfStorage Operators Report Long Waitlists Big Profits as Housing Market Tightens Trump Suggests Chinas Xi Offered Iran Assistance Market Implications for Energy and Geopolitical Risk Morning Markets Update Trumps China Trip Nadellas Congressional Testimony and GM Layoffs Shape Trading Day Weekly Stock List Highlights Market Sentiment as Spring Season Unfolds