美股指数集体高开，亚马逊大涨12%，市值骤增近3000亿美元

Core Viewpoint - The U.S. stock market indices opened higher, driven by strong performances from Amazon and Apple, with significant gains in their respective stock prices and positive earnings reports [1] Group 1: Amazon - Amazon's stock price surged by 12.2%, resulting in an increase of nearly $300 billion in market capitalization [1] - The company's cloud computing division, AWS, reported a 20% revenue growth in the third quarter, exceeding Wall Street expectations [1] Group 2: Apple - Apple's stock price rose approximately 2%, bolstered by strong sales of the iPhone 17 [1] - The latest quarterly report from Apple surpassed expectations, and the company anticipates continued strong performance in the next fiscal quarter [1]