The S&P 500’s information-technology sector was up 0.9% and on pace to gain 0.5% this week, FactSet data show, at last check. Tech was advancing for a seventh straight week, on course for its longest weekly winning streak since late December, according to Dow Jones Market Data.

The Nasdaq hit a new record, but the S&P 500 and the Dow ended a multi-week rally. Mega-cap tech earnings will be in the spotlight next week.

U.S. stock indexes gave up an early gain and drifted to a mixed finish Friday, helping give the market its first losing week since early September. The S&P 500 closed little changed after having been up 0.

The exchange announced Friday that its electronic platform will be accessible from 1:30 a.m. to 11:30 p.m. on weekdays, as stock trading has grown increasingly flexible. In a game-changing move, the New York Stock Exchange (NYSE) announced Friday it will be extending after-hours trading on its Arca electronic exchange.