(Reuters) - Wall Street's main indexes opened mixed on Thursday after the U.S. House of Representatives passed President Donald Trump's tax bill, which is expected to burden the country with trillions in debt, by a razor-thin margin.

The Dow Jones Industrial Average fell 96.8 points, or 0.23%, at the open to 41763.68. The S&P 500 fell 3.3 points, or 0.06%, at the open to 5841.26​, while the Nasdaq Composite rose 15.4 points, or 0.08%, to 18888.048 at the opening bell.