@Mrzorro:Nvidia Is Leading the Stock Rally, But Don't Overlook Berkshire Hathaway $NVIDIA Corp(NVDA)$    is driving an outsize share of the stock market's rally. But some other stocks are doing some heavy lifting, as well -- including non-technology names. Nvidia stock is up 62% so far this year, beating the 6.7% rise in the S&P 500. Nvidia's outperformance -- with artificial intelligence driving both growth and stronger-than-expected earnings results -- is a key reason that the index has seen its gain for the year. The chip maker's market capitalization is almost $2 trillion, almost 5% of the S&P 500's total market cap. Companies with larger market caps have a larger influence on the movements of the i