Stocks marched to more record highs on Wall Street, powered by gains in technology and health care companies, the AP reports. Drugmaker Vertex Pharmaceuticals surged 21% Wednesday following positive results from potential treatments for cystic fibrosis. Tech stocks continued to recover, and the technology component of the Standard & Poor's 500 index broke the record high it reached in 2000 during the dot-com bubble. Scripps Networks jumped 14.7% and Discovery Communications rose 4.3% following a report that they could combine. The S&P 500 rose 13 points, or 0.5%, to 2,473. The Dow Jones industrial average climbed 66 points, or 0.3%, to 21,640. The Nasdaq composite gained 40 points, or 0.6%, to 6,385. The Dow, S&P 500, and Nasdaq composite all closed at record highs.