Chip stocks support the Nasdaq to a new intraday high, while the Dow turns lower, pharmaceutical stocks retreat, and Chinese concept stocks are strong, with Alibaba once rising over 5%

The performance of the U.S. stock market was mixed, with chip stocks driving the Nasdaq to a new intraday high, while the Dow Jones turned lower and pharmaceutical stocks retreated. Chinese concept stocks performed strongly, with Alibaba rising more than 5% at one point. The U.S. government shutdown affected economic data, resulting in the unemployment claims and durable goods orders that were scheduled for release not being published as planned. Investors should exercise caution, as there are risks in the market