Key TakeawaysCharles Schwab plans to expand its 24-hour trading, becoming the latest brokerage to embrace round-the-clock markets.Select Schwab clients will be able to trade all S&P 500 and Nasdaq-100 stocks, as well as hundreds of exchange-traded funds, at any time Monday through Friday.The capability will gradually be extended to all clients in 2025. Charles Schwab (SCHW) on Wednesday announced that it plans to expand its 24-hour trading, becoming the latest brokerage to embrace round-the-clock markets. S ...