Vickers Insider Trading Report Top Buyers and Sellers for May 27 2026 General Motors Expands Luxury EV Lineup with Cadillac Vistiq Targeting 300Mile Range Berkshire Hathaway Adjusts Portfolio with Major Stakes in Delta Air Lines and Alphabet Charter Communications Agrees to Acquire Liberty Broadband in Enhanced Offer Consumer Strength Lifts Wall Street as Energy and Financials Drag Consumer Credit Growth Surges in December Signaling Strong Consumer Spending Japans Megabanks Post Record Profits but Analysts Warn Growth May Slow Amid Rising Risks