谷歌，大消息！黄金，新高！

Core Points - The S&P 500 and Nasdaq indices reached all-time highs, with the S&P 500 closing at 6615.28 points and the Nasdaq at 22348.75 points [4][5] - Alphabet, Google's parent company, achieved a market capitalization exceeding $3 trillion, making it the fourth U.S. company to reach this milestone [12][13] - International gold prices surged past $3700 per ounce, marking a significant increase in value [25] Market Performance - On September 15, the S&P 500 rose by 0.47%, while the Nasdaq increased by 0.94%. The Dow Jones Industrial Average saw a slight gain of 0.11% [4][5] - Major tech stocks performed well, with Alphabet up 4.49%, Tesla rising 3.62%, Amazon increasing by 1.44%, Meta by 1.21%, Apple by 1.12%, and Microsoft by 1.07% [8][9] - Nvidia experienced a pre-market drop of approximately 1.6% and closed down 0.04% due to an antitrust investigation by China's market regulator [10][7] Federal Reserve and Economic Signals - Market expectations indicate a 95.8% probability of a 25 basis point rate cut by the Federal Reserve, with a 4.2% chance of a 50 basis point cut [6] - Recent U.S.-China trade talks yielded positive outcomes, focusing on cooperation and resolving issues related to TikTok and investment barriers [6] Tesla Developments - Elon Musk purchased approximately $1 billion worth of Tesla shares, marking his largest stock buyback to date [17][18] - Tesla's new 10-year compensation plan for Musk includes ambitious targets, such as delivering 20 million electric vehicles and achieving a company valuation of $8.5 trillion [19] Chinese Stocks Performance - The Nasdaq Golden Dragon China Index rose by 0.87%, with notable gains from companies like Xiaoma Zhixing and Canadian Solar, both increasing over 10% [20][21][22] Gold Market Insights - COMEX gold has seen a year-to-date increase of over 40%, with recent price movements reflecting market anticipation of a Federal Reserve rate cut [25]