Wall Street stocks were mixed on Tuesday as investors digested quarterly earnings from companies such as UnitedHealth and Bank of America.
At 09:32 a.m. the Dow Jones Industrial Average fell 148.47 points, or 0.34%, to 42,916.75, the S&P 500 gained 5.04 points, or 0.09%, to 5,864.89, and the Nasdaq Composite gained 32.39 points, or 0.18%, to 18,535.07.
Oil prices tumbled more than 4 per cent on Tuesday as Iran supply disruption concerns eased.
Brent crude futures fell $3.29, or 4.3 per cent, to $74.17 a barrel at 1312 GMT. West Texas Intermediate futures lost $3.38, or 4.6 per cent, hitting $70.45 a barrel.
Gold prices were steady on Tuesday as the US dollar remained near two-month highs.
Spot gold was steady at $2,652.72 per ounce at 1108 GMT while US gold futures nudged up 0.1 per cent to $2,669.20.
Spot silver eased 0.1 per cent to $31.14 per ounce.