亚马逊股价7天波动涨2.5%，成交额约442亿美元

Group 1 - Amazon's stock price experienced volatility from February 18 to February 24, 2026, with a cumulative increase of 2.50% and a trading volume of approximately $44.2 billion [1] - The stock price rose by 1.81% to $204.79 on February 18, followed by a further increase of 2.56% to $210.11 on February 20, before declining by 2.30% to $205.27 on February 23 due to market risk aversion [1] - As of the latest data, Amazon's price-to-earnings ratio (TTM) stands at 28.75, with a total market capitalization of approximately $2.21 trillion [1] Group 2 - Recent competitive threats include SpaceX's Starlink adopting a low-price strategy, reducing its monthly fee to $50 in the U.S. to capture market share against Amazon's upcoming Leo satellite service [2] - The U.S. stock market faced a sell-off in technology stocks on February 23 due to uncertainties surrounding tariff policies and hawkish expectations from the Federal Reserve, contributing to Amazon's stock decline [2] - The Trump administration's increase of the tariff rate to 15% under the Trade Act of 1974 may exacerbate global trade risks [2] Group 3 - Analysts from Wedbush noted that Amazon is in a "self-proofing stage," needing to demonstrate to investors that its $200 billion capital expenditure will yield returns, with short-term spending growth likely to pressure the stock price [3] - Citizens Financial Group analysts expressed optimism regarding Amazon Web Services (AWS), predicting that data center capacity expansion will accelerate revenue growth [3]