GameStop drags tech stocks plummeted, pay attention to stock price volatility during earnings weeks
For the entire week of last week, the Dow fell 3.3%, the S&P 500 fell 3.3%, and the Nasdaq fell 3.5%. Throughout January, the Dow fell 2%, the S&P 500 fell 1.1%, and the Nasdaq rose 1.4%.

US stocks fell sharply on Friday, with the Dow and S&P 500 recording their worst monthly performance since October. The Dow Jones Industrial Average closed down 620.74 points, or 2.03%, to 29982.62 points. The US Standard & Poor's 500 index closed down 73.14 points, or 1.93%, to 3714.24 points. The Nasdaq Composite Index closed down 266.46 points, or 2.00%, to 13070.70 points.
White House spokesperson Jen Psaki (Jen Psaki), when asked about game stations and other short-selling stocks on Friday, said that the federal government is studying how to respond. The US Securities and Exchange Commission said it is investigating recent market frenzy for possible misconduct.
Brokers loosen up, game station rebounds 68%
Game Station (NYSE:GME) closed up 67.87% to US$325.00; AMC Cinemas Company (NYSE:AMC) closed up 53.65% to US$13.26; 3B Home (NASDAQ:BBBY) closed up 5.02% to US$35.33; BlackBerry (NYSE: BB) closed down 3.75% to US$14.10; Goss Electronics (NASDAQ: KOSS) closed up 52.53% to US$64.00; Express Inc (NYSE:EXPR) closed up 27.66% to US$6.00.
Earlier, brokers, including Robinhood, eased some restrictions on the trading of these individual stocks. Charles Schwab and its affiliate TD Ameritrade reiterated that both companies have adjusted the margin requirements for specific stocks to ensure that customers have sufficient funds to cover the cost of buying stocks, but they have not restricted the basic purchase of options or stocks.
Tech stocks is under pressure as GameStop issue
The volatility caused by the short-selling of GameStop has put pressure on stocks favored by investors, including Apple, as hedge funds dumped stocks to make up for billions of dollars in losses. Apple closed down 3.74% to US$131.96; Microsoft Corporation closed down 2.92% to US$231.96.
Earnings report
Pfizer (PFE.US) announced on February 2nd Eastern Time. The market expects Q4 revenue to drop by 10.8% year-on-year, and earnings per share drop by 16% year-on-year;
Amazon (AMZN.US) announced after the US stock market on February 2 Eastern time. The market expects Q4 revenue to grow 37% year-on-year, and earnings per share to grow 11% year-on-year;
Peloton (PTON.US) announced after the US stock market on February 4, Eastern Time. The market expects Q2 revenue to increase by 121% year-on-year, turning a loss into earnings of $0.08 per share.
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