ソース:[1] Top Stock Movers Now: Warner Bros Discovery, Rocket Lab, Steel Dynamics, and More (https://www.investopedia.com/top-stock-movers ...)[2] Markets News, Sep. 17, 2025: Stocks End Mixed After Federal Reserve Cuts Interest Rates; Dow Rises, Nasdaq, S&P 500 Slip - Investopedia (https://vertexaisearch.cloud.google.com/groun ...)[3] Warner Brothers Discovery stock downgraded by TD Cowen amid acquisition rumors (https://vertexaisearch.cloud.google.com/groun ...)