Stocks have first back-to-back gains since sell-off began

In this image provided by Jonathan Corpina, Jonathan Corpina, Senior Managing Partner at Meridian Equity Partners Inc., who normally works on the New York Stock Exchange trading floor, works in his home office in Armonk, NY., Wednesday, March 25, 2020. Stocks are wobbling in tentative trading Wednesday as a historic, worldwide rally downshifts dramatically after just a day. (Danielle Corpina/Courtesy Jonathan Corpina via AP)

NEW YORK — Stocks scored their first back-to-back gains Wednesday since a brutal sell-off began five weeks ago, but much of an early rally faded late in the day as a last-minute dispute threatened to hold up a $2 trillion economic rescue package in Congress.