今日股市展望（4月24日）：科技股飙升推动标普500和纳斯达克创下新高

The S&P 500 (SNPINDEX:^GSPC) rose 0.80% to 7,165.08, and the Nasdaq Composite (NASDAQINDEX:^IXIC) jumped 1.63% to 24,836.60 on powerful chip and AI strength. Both indexes closed at record highs today. The Dow Jones Industrial Average (DJINDICES:^DJI) slipped 0.16% to 49,230.71 amid pressure on cyclicals.## Market moversChip bellwether Intel soared 23% after a standout earnings report shattered its dot‑com‑era ceiling, boosting semiconductor stocks. Mega‑cap AI leaders, including Nvidia, Microsoft, and Meta Platforms, extended gains, deepening their dominance. Nvidia’s market cap retook the $5 trillion mark in the final hours of trading, another sign of surging tech sentiment.## What this means for investorsThe war in Iran took a back seat today as Intel’s dramatic jump spurred chipmakers and mega-cap tech stocks. The Philadelphia Semiconductor Index, which focuses on top semiconductor firms, gained 4.32%, putting it on an 18-day winning streak.News that the Department of Justice had dropped its investigation into Federal Reserve Chair Jerome Powell also buoyed markets. Closing the case could smooth the way for nominee Kevin Warsh’s appointment. It also removes lingering questions over Fed independence, which could have undermined confidence.The Bank of England brought a note of caution to today’s tech highs. Deputy Governor Sarah Breeden warned that stock prices could fall and that tech stock valuations were stretched. So far, this results season has shown resilience with more earnings beats than normal. It will be important to watch earnings from major tech firms next week for any signs of weakness.## Should you buy stock in S&P 500 Index right now?Before you buy stock in S&P 500 Index, consider this:The Motley Fool Stock Advisor analyst team just identified what they believe are the 10 best stocks for investors to buy now… and S&P 500 Index wasn’t one of them. The 10 stocks that made the cut could produce monster returns in the coming years.Consider when Netflix made this list on December 17, 2004... if you invested $1,000 at the time of our recommendation, you’d have $500,572! Or when Nvidia made this list on April 15, 2005... if you invested $1,000 at the time of our recommendation, you’d have $1,223,900!Now, it’s worth noting Stock Advisor’s total average return is 967% — a market-crushing outperformance compared to 199% for the S&P 500. Don't miss the latest top 10 list, available with Stock Advisor, and join an investing community built by individual investors for individual investors.