 NVIDIA carrying the tech-heavy NASDAQ. The chipmaker surged more than 150% since January. Rest of the Magnificent Seven overperforming, too. The 2024 tech boom resulting in a 20% advance for the NASDAQ so far this year. The S&P 500 getting a boost from tech as well. The index up 15% since the start of the year. The Dow Jones Industrial is up less than 5% over that time.