Some of the biggest companies were beaten up on Halloween, with Microsoft and Nvidia falling 5.8% and 4.3%, respectively.
Closing changes:
- S&P 500 -108 points or -1.9%
- Nasdaq Comp -2.8%
- Russell 2000 -1.2%
- DJIA -0.8%
- Toronto TSX Comp -1.3%
Earnings from Amazon, Apple and Intel are coming up after the bell.