Mixed U.S. Stock Futures Amid Escalating Tensions and Fed Guidance

U.S. stock futures were mixed on Wednesday, as the Nasdaq 100 index fell, while the Dow Jones and S&P 500 indices rose, following Tuesday's lower close.

Investors are waiting for some direction on the Federal Reserve's trajectory, following its suspension of guidance, as the minutes of the Fed's July FOMC meeting will be published today.

The regional sell-off came amid escalating US-Iran tensions that pushed Brent crude above $91 a barrel after President Donald Trump ruled out talks with Tehran.

Professor Jeremy Siegel remains highly optimistic about the U.S. stock market, primarily driven by a robust corporate performance that offsets softer economic data.