U.S. stock night trading volatility: Netclass Tech rose 3.36% in night trading, with active capital inflow attracting market attention

U.S. Stock Night Market Movements Netclass Tech rose 3.36% in the night market, with no significant news recently. Trading is active, and capital flows are evident. Considering the sector and industry trends, the stock shows significant volatility, and the specific reasons need further observation. Stocks with High Trading Volume in the Industry Duolingo fell 0.73% in the night market. Based on recent key news: On December 9, Duolingo executive Natalie Officer exercised stock options, increasing her holdings by 9,500 shares, which may draw market attention to the company's insider trading. This transaction was completed on December 5 at a price of $5 per share, valued at $47,500. Source: Washington Service On December 9, analysts maintained a "Hold" rating on Duolingo but did not include it in the top five recommended stocks for purchase, indicating a cautious market attitude towards its future performance. Source: MarketBeat On December 8, Duolingo director Hacker Severin gifted 50,000 shares, which may raise market concerns about changes in the company's shareholder structure. Source: Washington Service The market remains cautious towards high PE stocks. K12 International School fell 0.92% in the night market. Based on recent key news: On December 8, Stride Inc. was sued for violations of securities laws, putting pressure on its stock price. The company faces a class-action lawsuit, and investors are concerned about potential legal liabilities and financial losses, affecting market confidence. On December 10, a new SEC plan may impact the company's compliance costs. The SEC launched a new whistleblower reward program, which may increase the company's compliance costs and further affect investor sentiment. On December 11, the market held a cautious attitude towards Stride Inc.'s prospects. Analysts expressed concerns about the company's future profitability, leading to a significant drop in stock price. Recent volatility in U.S. stocks has intensified, and investors should be cautious. New Oriental fell 1.19% in the night market. Based on recent key news: On December 8, New Oriental's cultural tourism business faced challenges, with long investment cycles and intense price competition affecting stock price declines. The complexity of the cultural tourism industry far exceeds that of education and live e-commerce, requiring barriers in supply chain management and service quality. Source: Zhitong Finance On December 8, New Oriental executed a large transaction of 765,700 shares at a price of $41.40, impacting market sentiment. Source: Economic Information Agency On December 9, the incident involving Yu Minhong's internal letter about Antarctica escalated, with employees complaining about severe overtime, affecting the company's reputation. Yu Minhong responded that he would investigate employee demands. Source: Wall Street News The competition in the cultural tourism industry is fierce, and risks need to be monitored