Charles Schwab announced plans to significantly expand its 24-hour trading capabilities, which will now include stocks from the S&P 500 and Nasdaq-100, as well as hundreds of additional exchange-traded funds (ETFs). This initiative aims to enhance trading access for clients and is set to begin in approximately two weeks. Schwab currently manages $9.92 trillion in total client assets, facilitating around six million daily average trades. The expansion follows similar moves by other brokerage firms, including Robinhood and Interactive Brokers, in a trend toward more flexible trading hours.