Stock futures were little changed early Wednesday as investors awaited a congressional hearing on antitrust in Big Tech as well as the Federal Reserve's latest policy decision.

Dow Jones Industrial Average futures rose just 5 points, or less than 0.05%. S&P 500 futures gained 0.1% and Nasdaq 100 futures advanced 0.4%.

The Fed will conclude itstwo-daypolicy meetingWednesday and is set to release a statement at 2 p.m. ET. Chairman Jerome Powell will have a press conference at 2:30 p.m. ET.

The central bank is expected to keep short-term interest rates unchanged at near zeroto support the economy still struggling with the coronavirus pandemic.On Tuesday, the Fed announced it would extendits emergency lending programs through the remainder of 2020.

"Markets continue to expect ultra-accommodative policy from the Fed, and the Fed is unlikely to disappoint at this meeting,"Bill Callahan,investment strategist at Schroders, said in an email. "Given that we are still squarely in the center of the pandemic, the only question for investors is just how dovish the Fed will be."

Meanwhile, the chiefexecutives of Amazon, Apple, Facebook and Google-parent Alphabet will testifybefore the House Antitrust Subcommittee later Wednesday following a yearlong probe into their anti-competitive practices. Investors will look for insights on how the Big Tech is handling antitrust challenges from regulators with the authority to break them up.

Shares of Big Tech are among the best performers this year. Facebook and Alphabet are both up more than 12% year to date entering Wednesday's session. Amazon has skyrocketed 62.4% over that time and Apple is up 27%.

The busiest week of the earnings season continued, with General Electric and Boeing releasing their latest quarterly figures. GE reported a stronger-than-forecast revenue, sending the stock up 1.6% in the premarket. Boeing posted a wider-than-expected loss and the stock traded 0.5% lower.

Shares of Advanced Micro Devices popped more than 1% after the chipmaker posted on Tuesday better-than-expected quarterly earnings and issued an upbeat guidance for the year.Starbucksswung to a loss during its fiscal third quarter, but the world's largest coffee chain raised its forecast for the current quarter, sending shares up more than 5% in extended trading.

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Stock futures are flat ahead of Fed decision and Big Tech testimony - CNBC