Strong performance boosts market confidence Alphabet (GOOG.US, GOOGL.US) up nearly 10%, creating the second largest single day market value increase in history.

Alphabet (GOOG.US, GOOGL.US) saw a nearly 10% increase in stock price on Thursday, closing at $384.8 per share. The single-day market value increased by about $421 billion, marking the second largest single-day market value increase in history, second only to the approximately $440 billion increase recorded by NVIDIA Corporation (NVDA.US) a year ago. This round of increase was mainly driven by the company's latest quarterly performance significantly exceeding market expectations. The financial report shows that Alphabet's cloud computing and artificial intelligence business are strong in demand, with the market widely viewing it as an important signal that the company's large-scale AI investment is beginning to pay off. With the rise in stock price, Alphabet's cumulative increase so far this year has reached 23%, with a market value increase of over $860 billion, bringing the total market value to around $4.65 trillion, approaching NVIDIA Corporation's market value level of about $4.85 trillion, further narrowing the gap with the world's largest market value company. During this earnings season, Alphabet has become one of the standout performers among tech giants. Analysts point out that the strong demand for its cloud computing and AI-related businesses validates the rationale behind its previous large-scale capital expenditure, and also strengthens the market's confidence in its AI competitiveness. In contrast, other tech giants have shown significant divergence in performance. Microsoft Corporation (MSFT.US) saw a 3.93% decrease in stock price after announcing its financial results; Meta Platforms (META.US) fell by 8.55% due to market concerns over increased capital expenditure; and Amazon.com, Inc. (AMZN.US) saw a slight increase of 0.77% in stock price.