The S&P 500 rose 1.7 percent between Friday, November 27, and Friday, December 4. It was the index’s fourth gain in the last five weeks. Other key benchmarks including the Dow Jones Industrial Average, Nasdaq-100, Russell 2000 and Dow Jones Transportation Average also closed at record highs.
The biggest decliner in the S&P 500 today, for instance, was Mylan (MYL). Disappointing results, manufacturing problems and weak demand hammered the drug maker 24 percent. That was its worst decline in at least a decade
The S&P 500 rose 1.2 percent between Friday, March 22, and Friday, March 29. The index just finished its best quarter in almost a decade, up 13 percent, after climbing for three straight months.