U.S. stock night market volatility: Concerns over governance changes at Banco Santander SA-Spon, stock price drops 3.10% in night trading

U.S. Stock Night Market Movements Banco Santander SA-Spon fell 3.10% in the night market. Based on recent key news: On December 15, Banco Santander (Brazil) announced a special shareholders' meeting scheduled for January 15, 2026, to discuss changes to the board composition. This news raised market concerns about potential significant changes in the company's governance structure, leading to a decline in stock price. On December 15, Banco Santander (Brazil) released relevant information through the EDGAR system, emphasizing the company's independent responsibility for information. This disclosure increased market attention to the company's transparency, further impacting the stock price. No other significant news recently. The market remains cautious about changes in corporate governance. Stocks with High Trading Volume in the Industry JP Morgan fell 0.24% in the night market. Based on recent key news: On December 15, JP Morgan launched a tokenized money market fund, demonstrating a positive embrace of blockchain technology, attracting attention from Wall Street and enhancing its influence in the digital asset space. On December 15, JP Morgan's stake in ZTE Corporation decreased, indicating a strategic adjustment in the market that may affect investor confidence. On December 15, JP Morgan CEO Jamie Dimon supported the nomination of Lael Brainard as Federal Reserve Chair, which may influence future interest rate policies, increasing market focus on its policy direction. The global financial market faces challenges from digital transformation. NU Holdings fell 1.32% in the night market. Based on recent news: On December 14, Goldman Sachs analyst Tito Labarta reiterated a buy rating on Nu Holdings with a target price of $21. This move reflects market confidence in the company, despite short-term stock price fluctuations. On December 15, competition in the digital banking industry intensified, particularly regarding profitable products and capital flow channels. Such industry dynamics may affect investor confidence in Nu Holdings in the short term. On December 14, BofA Securities previously raised Nu Holdings' target price, indicating market recognition of its long-term growth potential. Increased competition in the digital banking industry affects market confidence. Bank of America fell 0.36% in the night market. Based on recent key news: On December 15, Bank of America's bull-bear indicator approached a sell signal, suggesting that U.S. stocks may face downward pressure. Analysts noted that the indicator remains below the sell signal after adjustment, indicating market turbulence. Source: Business Insider On December 16, a Fitch Ratings report showed that credit issuance to non-bank financial institutions in the U.S. banking sector surged by 26%, raising concerns about systemic risk. Source: Zhitong Finance On December 16, Bank of America analysts reiterated a buy rating on Palantir stock with a target price of $255 due to strong demand for its AI platform Source: Golden Finance The volatility of US stocks has intensified, and investors should exercise caution