* Congressional leaders reach tentative deal to avoid government shutdown
* Biden administration will investigate Chinese cars as security threat
* Rate cuts will likely start this year, says Boston Fed Bank President Collins
* Dept. of Justice launches antitrust probe into UnitedHealth Group
* Why is bitcoin surging again?
* US economic growth revised down slightly to still-solid 3.2% rise in Q4:

Policy-sensitive US 2-year Treasury yield pulled back on Wednesday (Feb. 28) after testing its 200-day moving average for a second time in recent days. Meanwhile, Fed funds futures are still pricing in moderate odds that the Federal Reserve will start to cut rates in June.