Apple Inc. (stock code: AAPL) performed very strongly in the U.S. stock market, with its share price surging more than 4% overnight, increasing its market capitalization by 811.3 billion RMB. This growth is equivalent to Apple's market cap increasing by the combined market value of Xiaomi Group and Meituan Dianping in a single night, demonstrating the market's high recognition and confidence in Apple.

This increase in Apple's market value may have been influenced by various factors, including but not limited to the company's financial performance, product innovation, market strategy, and the overall macroeconomic environment. As a global leading tech company, Apple's products and services are widely popular, and it continues to invest heavily in R&D and market expansion, all of which could be key drivers behind its stock price and market cap growth.

Additionally, investors remain optimistic about Apple's long-term growth prospects, especially in areas like 5G technology adoption, expansion in the wearable devices market, and growth in its services business. Apple's high market cap and stock performance also reflect the market's positive expectations for its future profitability and growth potential.

However, it's important to note that stock market investments carry risks, and price fluctuations are influenced by multiple complex factors, including market sentiment, industry trends, and company performance. Therefore, investors should conduct thorough analysis and consider their own risk tolerance and investment objectives before making decisions.