penn515mag3| Overnight external market: U.S. stocks rallied and fell back. The Dow broke the 40,000 mark for the first time and then turned down. Hot stocks generally rose

Securities Times e Company News, the three major U.S. stock indexes all closed down, with the Dow breaking through 40000 points for the first time in the session. As of the close, the Dow fell 0.0%penn515mag3.1%, the Nasdaq fell 0.26%, and the S & P fell 0.20%penn515mag3; Large technology stocks were mixed, with Intel up more than 2%, AMD up nearly 2%, and Ultramicro computers down more than 5%. Hot Chinese stocks generally rose, with iQiyi up more than 12%, Alibaba up more than 7%, Netease up more than 5%.