The appeal was one of several challenges by the exchanges to the SEC's plan to modify data feeds that broadcast stock prices to investors. Paul Mishkin of Davis Polk & Wardwell, who argued the case for the exchanges, did not immediately reply to a request for comment on Tuesday. Circuit Court Judge Karen LeCraft Henderson wrote for the court that the New York Stock Exchange, Nasdaq and exchanges run by Cboe Global Markets Inc had filed their challenge a few days past a statutory 60-day deadline. Securities and Exchange Commission's plan to revamp the way market data is publicized, saying on Tuesday the case was filed too late. Circuit rejected a challenge that several stock exchanges made to the U.S. (Reuters) - The Court of Appeals for the D.C. We welcome feedback, which you can provide using the feedback tab on the right of the page. We are improving this feature as we continue to test and develop in beta. The company and law firm names shown above are generated automatically based on the text of the article. Case one of several over plan to overhaul stock price data feeds.stock exchanges' challenge filed after deadline