The USA500 is currently trading below 5,900 levels.
Wall Street's major stock indexes closed lower on Tuesday, with a 1% drop in the technology-heavy Nasdaq leading losses as chip stocks tumbled on demand concerns while the energy sector fell 3% as oil prices dropped.
On Tuesday the S&P 500 fell 0.76%, the Nasdaq 100 declined 1.01%, while the Dow Jones was down 0.75%.