Stocks retreated again as investors absorbed a slew of economic news, including a drop in a gauge of manufacturing activity in the Mid-Atlantic region, and a significant rise in existing home sales.
Gold prices extended early losses to fall below $1,350 an ounce on Thursday, hitting their lowest in two months, as the euro surrendered gains to turn negative versus the dollar, and as investment demand waned.
Other commodities were also on the move. Here are six worth watching:
Natural Gas' prices were up nearly 2 percent after the 10:30 inventory report.
The worst performing commodity in the CRB index, down nearly 5 percent Thursday morning.
This commodity was down about 3 percent as we await oil inventory data at the top of the hour.
Gold's prices were getting slammed after Brazil's rate hike.
Copper is another commodity that was taking a hit.
This commodity was down nearly 2 percent.
Get the latest stock picks on the CNBC Stock Blog, and see what analysts and others are watching before the bell each day at Analyst Watch.