NEW YORK (AP) — Alphabet and Microsoft are leading the U.S. stock market on Friday toward the finish of its first winning week in the last four. Related Content A Chinese space station got hit by debris and astronauts scrambled to make emergency repairs Saudi Arabia is building a megacity in the desert. It's not going well Are self-driving cars safe enough yet? CC Share Subtitles Off English Share this Video Facebook Twitter Email Reddit Link view video Are self-driving cars safe enough yet?