The S&P 500 plunged 3.3 percent between Friday, January 22, and Friday, January 29. It was the biggest weekly decline since October, with 85 percent of the index’s members losing value. The selloff also dragged stocks into negative territory on a year-to-date basis.
Netflix and Intel reported strong results this week as earnings season marches toward the major tech stocks.
The S&P 500 rose 1.8 percent between Thursday, December 31, and Friday, January 8. It was the biggest weekly gain since late November. planting the index above 3,800 for the first time ever. The Nasdaq-100, Russell 2000 and Dow Jones Industrial Average also hit new records.
The Nasdaq-100 rose 4.2 percent between Friday, October 2, and Friday, October 9. It was the index’s third straight positive week, and its best performance since early July. Its gain was also twice the advance of the broader S&P 500 index.
The S&P 500 rose 3.3 percent between Friday, September 21, and Friday, September 28. It was the biggest weekly gain since the end of June 29 – July 2.
First, even if you don’t trade currencies (and most people don’t), they can have a big influence on the stock market. Moves in the foreign-exchange markets impact companies operating outside the U.S. They can also move commodity prices and related stocks.