U.S. stock futures remained unchanged on Wednesday as investors awaited the Federal Reserve's latest policy decision. The central bank is anticipated to maintain interest rates at their current levels, with market participants keenly monitoring any indications of a potential rate reduction in September. Focus also shifted to a new batch of corporate earnings, with upcoming results from Meta Platforms, Microsoft, Ford, Etsy, Robinhood, among others. In after-hours trading, Starbucks saw a nearly 5% surge following its report of stronger-than-expected quarterly revenue, while Visa fell over 2% even after delivering robust results. On Tuesday, the S&P 500 declined by 0.3%, breaking a six-day streak of gains. The Nasdaq Composite decreased by 0.38%, and the Dow Jones Industrial Average fell by 0.46% as investors assessed a mixed bag of earnings alongside ongoing uncertainties regarding U.S.-China trade discussions.