US stocks have opened lower after earnings reports from Bank of American, Intel and Yahoo disappointed investors.
Five minutes into trade, the Dow Jones Industrial Average sank 103.90 (0.70 per cent) to 14,652.88.
The broad-based S&P 500 dipped 14.23 (0.90 per cent) to 1,560.34, while the tech-rich Nasdaq Composite Index gave up 31.62 (0.97 per cent) to 3,233.01.
Bank of America and Intel reported earnings that missed Wall Street expectations, while Yahoo reported weak online ad revenue.
