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

US stocks closed mixed as Nasdaq fell on a tech selloff, while Dow gained. Investors tracked Iran developments, oil prices and key inflation data.

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