DraftKings, FanDuel, and others are taking in billions from nationwide betting. Millions of U.S. gamblers are at their mercy.

The Dow, S&P 500 and Nasdaq Composite were all set to open higher. Bitcoin slipped back from its record high and Treasury yields edged lower.

The dollar edged lower early Friday as worries over mounting U.S. government debt continued to weigh after the House passed Trump's tax and spending bill Thursday. The bill aims to make the tax cuts i ...