Berkshire Hathaway ReEnters Airline Space with 26 Billion Delta Air Lines Stake South Koreas Kospi Plunges Over 6 from Record High as Tech Giants Lead SellOff Amid USChina Trade Talks Jim Cramer Advises Caution on Cerebras Systems After Stellar Market Debut Talkspace TALK Q1 2026 Results Miss Estimates EPS 004 vs 002 Ermenegildo Zegna ZGN Stock Hovers Near Support Amid Modest Decline VALE Faces Tepid Trading as Shares Hover Near Key Support Amid Mixed Commodity Signals Semtech Corporation SMTC Surges 7 as Volume Picks Up Key Levels to Watch Title Lockheed Martin LMT Edges Lower in Consolidation Zone Key Support and Resistance Levels Under Watch