Tech Stocks Plunge Over 20 Are They Coiled Springs Ready to Rebound Charter Communications Enhances Offer for Liberty Broadband in Revised Buyout Deal Gilead Sciences Acquires Tubulis in 315 Billion Deal to Strengthen Oncology Pipeline BP Ousts Chairman Albert Manifold Over Serious Conduct Concerns Shares Decline SpaceX Files for Stock Market Debut Ticker SPCX Potential Valuation Could Make Elon Musk a Trillionaire USChina Trade Dialogue Resurfaces as APEC Ministers Gather US Payrolls Surge Past Expectations Yet Underlying Concerns Emerge