暴涨700%！美无人机公司，上市首日股价狂飙！

Group 1 - The core focus of the article is on the significant stock price surge of the American drone technology company Swarmer, which saw its stock price increase by approximately 700% on its first day of trading, closing at $31 per share with a 520% gain [1][8][10] - Swarmer is a defense technology and drone autonomy software company based in Austin, Texas, with operations in Ukraine, Poland, and Estonia, primarily serving drone manufacturers [10] - The company issued 3 million shares at an IPO price of $5 per share and granted underwriters a 30-day option to purchase an additional 450,000 shares [10] Group 2 - The U.S. stock market saw a slight increase on the same day, with the Dow Jones Industrial Average rising by 0.1% to 46,993.26 points, the S&P 500 up by 0.25% to 6,716.09 points, and the Nasdaq gaining 0.47% to 22,479.53 points [3] - Major airline stocks experienced significant gains, with Delta Air Lines rising over 6%, American Airlines and United Airlines up more than 3%, and Southwest Airlines increasing over 2% [5] - The banking sector also saw collective gains, with Goldman Sachs and Morgan Stanley rising over 1%, while energy stocks experienced an overall increase, with Schlumberger up over 2% [4]