Use wechat scan QR code < / P > < p > to share with friends and circle of friends < / P > < p > Friday, us time, < a target = "_ blank" href=" https://news.163.com/news/search?keyword=%E7%BE%8E%E8%82%A1 "> US stocks < / a > ended mixed, with < a target ="_ blank" href=" https://news.163.com/news/search?keyword=%E7%A7%91%E6%8A%80%E8%82%A1 "> technology stocks < / a > based Nasdaq composite index rebounded in the shock. Sentiment in the US stock market remains fragile as concerns about rising inflation have pushed us bond yields close to a one-year high. < / P > < p > the Dow Jones index closed at 30932.37, down 469.64 points, or 1.50%; the standard & Poor's 500 index closed at 3811.15, or 0.48%; and the Nasdaq composite index closed at 13192.34, or 0.56%. < / P > < p > although < a target = "_ blank" href=" https://news.163.com/news/search?keyword=%E7%BA%B3%E6%8C%87 "> the NASDAQ index rebounded on Friday, but the index still fell 4.9% this week, while < a target ="_ blank" href=" https://news.163.com/news/search?keyword=%E9%81%93%E6%8C%87 "> the Dow < / a > and the standard index fell 1.8% and 2.4% respectively. < / P > < p > for February, the Dow is still up nearly 4% because investors buy cyclical stocks that will benefit from the economic recovery; the standard index is up about 2.6% and the NASDAQ is up about 1%. < / P > < p > on Friday, us time, apple, Amazon, Microsoft and Google's parent company alpha Inc's < a target = "_ blank" href=" https://news.163.com/news/search?keyword=%E8%82%A1%E4%BB%B7 "> share prices < / a > rose 0.2% to 1.4%, but the performance of these companies this week is still the worst in months due to the sharp rise in US bond yields. Apple fell 7.97% this month. < / P > < p > electric vehicle stocks generally fell, with Tesla down 0.99%; Weilai down 2.20%, Xiaopeng down 3.64%, ideal down 1.93%. < / P > < p > specifically, in Friday's trading of U.S. stocks, leading technology stocks rose and fell. Apple's share price closed at US $121.26, up 0.22%; alpha, the parent company of Google, closed at US $2036.86, up 0.27%; Amazon closed at US $3092.93, up 1.17%; Microsoft closed at US $232.38, up 1.48%; Facebook closed at US $257.62, up 1.15%; Oracle closed at US $64.51, IBM fell 1.21%, IBM fell 2.89% to $118.93, Netflix fell 1.44% to $538.85, Tesla fell 0.99% to $675.50, twitter rose 3.31%, Uber rose 0.58% and LYFT fell 0.38%. < / P > < p > the leading chip stocks in US stocks rose, with TSMC closing at US $125.94, down 0.05%; NVIDIA closing at US $548.58, up 3.06%; Intel closing at US $60.78, up 0.63%; ASMC closing at US $567.09, up 1.31%; Qualcomm closing at US $136.19, up 0.49%; Broadcom closing at US $469.87, up 2.78%; Texas Instruments closing at US $172.27, up 1.02% %Amd rose 2.54% to US $84.51, applied materials rose 3.74% and Meguiar technology rose 3.87%. < / P > < p > most of the major Chinese concept stocks listed in the United States fell, with Netease closing at US $109.85, up 1.10%; Alibaba closing at US $237.76, down 1.01%; Jingdong closing at US $93.87, up 0.55%; Baidu closing at US $283.46, down 3.65%; pinduoduo closing at US $171.16, up 0.06%; Weilai closing at US $45.78, down 2.20%; Xiaopeng closing at US $34.11, down 3.6% 4%; ideal auto closed at US $25.37, down 1.93%; BiliBili closed at US $125.97, down 4.45%; tal closed at US $77.54, down 0.17%; iqiyi closed at US $25.33, up 0.28%; follow who closed at US $102.85, up 0.91%; Weibo fell 3.78%; Ctrip fell 0.33%; Auto home fell 2.80%; jinshanyun rose 2.47%; lujinsuo fell 2.15%. < / P > < p > the yield on the benchmark 10-year US Treasury bond soared to 1.614% on Thursday and then fell to 1.404%, making US stocks volatile. The panic index on Wall Street is hovering at its highest level in nearly a month. < / P > < p > technology stocks are particularly sensitive to the rise of U.S. bond yields, because their value largely depends on future earnings, and when U.S. bond yields rise, the discount rate of future earnings will be greater. < / P > < p > Matt Maley, chief market strategist at Miller Tabak, a brokerage firm, said: "a higher closing rate will lead to a situation where investors no longer accept the sky high valuation of stocks, which they have been willing to accept in recent years. Although Fed chairman Powell said this week that he is optimistic about the economy, it does not mean that he is particularly optimistic about the stock market. " < / P > < p > in terms of economy, the latest data shows that consumer spending in the United States recorded the largest increase in seven months in January, but the price pressure is still mild. (Liu Chun)