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Market Overview - The three major U.S. stock indices closed mixed, with the Dow Jones down 0.37% at 44240.76 points, the S&P 500 down 0.07% at 6225.52 points, and the Nasdaq up 0.03% at 20418.46 points [2][3] - European stock markets collectively rose, with the Euro Stoxx 50 index up 0.67%, the DAX 30 up 0.76%, the FTSE 100 up 0.56%, and the CAC 40 up 0.56% [2] Nvidia Performance - Nvidia's stock price increased by 1.11% to $160 per share, reaching a historical high, with a total market capitalization exceeding $3.9 trillion [6] Copper Tariff Announcement - President Trump announced a potential 50% tariff on imported copper, leading to a significant increase in copper prices, with COMEX copper rising by 9.63% [12][15] - Related copper stocks also saw gains, with Freeport-McMoRan Copper & Gold up 2.53% and Taseko Mines up 4.26% [16] Other Tech Stocks - Microsoft fell by 0.22%, Apple rose by 0.03%, Amazon dropped by 1.84%, Google decreased by 1.35%, Meta Platforms increased by 0.32%, and Tesla rose by 1.32% [8] Meta Platforms Investment - Meta Platforms reportedly acquired approximately 3% of EssilorLuxottica SA for about $3.5 billion, indicating a strategic investment in the growing smart glasses market [9] Tesla Developments - Cathie Wood, founder of Ark Invest, continues to support Tesla, noting CEO Elon Musk's decision to take direct control of U.S. and European sales as a pivotal moment for the company [9][10]