The US stock market rose and fell, with the Dow Jones Industrial Average breaking through the 40000 point mark for the first time during trading and then turning lower. The Nasdaq fell 0.26%, while the S&P fell 0.20%; Large tech stocks fluctuated, with Intel up over 2%, AMD up nearly 2%, and AMD down over 5%; Popular Chinese concept stocks rose generally, with iQiyi up over 12%, Alibaba up over 7%, and NetEase up over 5%.