On February 17th, the three major US stock indexes collectively closed lower, with the Dow Jones Industrial Average falling 0.37%, the Nasdaq falling 0.82%, and the S&P 500 index falling 0.48%. This week, the Dow Jones Industrial Average fell 0.11%, the Nasdaq fell 1.34%, and the S&P 500 index fell 0.42%. Microelectronics closed down 20%, ending the previous nine consecutive days of gains. US streaming company Roku fell nearly 24%, with an average revenue per user decreasing by 4% year-on-year, causing market concerns. Coinbase rose nearly 9%, with a fourth quarter revenue of $954 million, far exceeding market expectations. Applied materials rose more than 6%, with its stock price reaching a new historical high. The company's first quarter revenue exceeded market expectations by $6.71 billion, and it is expected to have a revenue of $6.1 billion to $6.9 billion in the second quarter.