Nasdaq eyes near‑24‑hour trading, reshaping the stock market’s daily rhythm

Nasdaq is moving ahead with plans to extend U.S. stock trading to nearly 23 hours a day, five days a week, according to recent market commentary. The proposal would dramatically expand today’s limited pre‑market and after‑hours sessions, pushing the cash equity market closer to the 24/7 model already common in FX and crypto. For international investors, especially in Europe and Asia, longer hours would make it easier to trade U.S. names during their own business day. But it would also create more room for algorithmic and high‑frequency strategies to dominate thinly traded periods, potentially amplifying price swings around headlines. For retail investors, round‑the‑clock access means they can react instantly to earnings releases and economic data, yet it also raises lifestyle questions about being tethered to screens at all hours. Regulators are expected to scrutinize the plan through the lens of market fairness, liquidity quality and operational risk, so the exact timeline and scope of the new trading day remain key variables for investors to watch.