Wall Street is getting closer to 24/7 trading sessions. Nasdaq wants round-the-clock trading, according to an SEC filing on Monday. The tech-heavy exchange is pushing to add another trading session for U.S. stocks stretching from 9 P.M. to 4 A.M. ET. It would bring total trading to 23 hours a day, five days a week. There would be a one-hour daily break between 8 P.M. and 9 P.M. “This evolution reflects a simple reality: global investors expect access on their terms, in their time zones, without compromi ...