Credit Suisse (SIX:CSGN) stock slumped 5.9% after the Swiss banking giant posted a first-quarter loss and announced a 1.7 billion-franc capital increase, as a hefty hit from the Archegos hedge fund scandal spoiled what would have been its best quarter operationally in at least a decade.

AT&T (NYSE:T) stock rose 4% after the telecoms giant added 595,000 net wireless phone subscribers in the first quarter, more than double the expected number, as the reopening of the U.S. economy boosted smartphone sales.

Chipotle Mexican Grill (NYSE:CMG) stock rose 1.6% after the burrito chain said its comparable sales rose over 17% in the first quarter, and could grow by as much as 30% the following quarter as rapid Covid vaccinations encourage consumers to return to its restaurants.

American Airlines (NASDAQ:AAL) stock rose 2.6% after the airline reported a smaller quarterly loss than expected.

Southwest Airlines (NYSE:LUV) stock rose 2.4% after the airline posted a smaller-than-expected quarterly adjusted loss and forecast lower cash burn in the second quarter, citing rising vaccination rates and pent-up demand for leisure travel.

DR Horton (NYSEHI) stock rose 0.8% after the homebuilder raised its full-year outlook for home deliveries and reported a better-than-expected quarterly profit, as strong housing demand and low mortgage rates boosted sales.

Quest Diagnostics (NYSEGX) stock rose 1.5% after the medical device maker posted an almost fivefold rise in first-quarter profit, boosted by a faster-than-expected recovery of its non-Covid-19-related businesses.

Kinder Morgan (NYSE:KMI) stock rose 2.2% after the energy infrastructure company produced a blowout first quarter, benefiting from the skyrocketing energy demand and prices that resulted from the historic winter storm that crippled Texas in the middle of February.