In commodity markets, gold was sidelined at $1,838 an ounce as investors drove platinum to a six-year peak on bets of more demand from the automobile sector.
The lawsuit is the latest legal action taken by the exchanges against the SEC in recent years, which include a successful challenge to a proposed experiment by the SEC to cap trading fees on 1,400 different stocks.
The Congress on Friday approved a budget plan that would allow a coronavirus relief bill to muscle through in the coming weeks without Republican support.
Apple jumped 2.6 percent following reports it is close to a deal on producing its own autonomous vehicles in cooperation with South Korean giant Hyundai. Neither company commented on the reports.
Democrats in the U.S. Senate were poised on Thursday to take a first step toward the ultimate passage of President Joe Biden's $1.9 trillion COVID-19 relief proposal.