美股开盘涨跌不一，英特尔跌超13%

Group 1: Market Performance - US stock market opened mixed with Dow Jones down 0.35%, Nasdaq up 0.02%, and S&P 500 down 0.08% [1] - Semiconductor sector weakened, with Intel dropping over 12% as the company projected first-quarter revenue guidance below market expectations of $12.51 billion [1] Group 2: Company-Specific News - Intel's stock plummeted 13% pre-market due to disappointing earnings guidance, with CEO Pat Gelsinger stating that the company's 18A process yield has not met expectations and that they are currently in a "just-in-time" production state, severely limiting supply capacity [3] - Moderna's stock fell over 3% as the company announced it would not invest in new late-stage vaccine trials [1] - Ericsson's stock rose 8% after the company reported fourth-quarter net sales and adjusted EBIT that exceeded expectations [1] Group 3: Financial Sector Developments - Bank of America and Citigroup are considering responding to President Trump's proposal for a 10% cap on credit card interest rates, with discussions ongoing about potential consumer cost reduction strategies [4] Group 4: Leadership Changes - Apple's CEO successor candidate, John Ternus, has had his responsibilities expanded, solidifying his position as a potential replacement for Tim Cook, as he now oversees the design team, a role historically held by senior leaders [5] Group 5: Short Selling and Stock Performance - Short sellers of SanDisk have incurred losses of approximately $3 billion since early November, as the stock has surged 112% year-to-date, leading to increased short squeeze risks [6] Group 6: IPO Highlights - Czechoslovak Group (CSG), a European ammunition manufacturer, saw its stock rise over 29% on its first day of trading in Amsterdam, raising €3.3 billion, marking the largest IPO in the history of pure defense companies [7]