After-hours movers:

Snowflake (NYSE: SNOW ) rose 6% after it published strong quarterly results and guidance. Snowflake reported Q1 EPS of $0.24, $0.03 better than the analyst estimate of $0.21. Revenue for the quarter came in at $1.04 billion versus the consensus estimate of $1.01 billion.

Zoom (NASDAQ: ZM ) shares were up 0.6%, after it reported quarterly results. Total revenue for the first quarter was $1,174.7 million, up 2.9% year over year.

Urban Outfitters (NASDAQ: URBN ) rose 9% after it published strong results. Urban Outfitters reported Q1 EPS of $1.16, $0.33 better than the analyst estimate of $0.83. Revenue for the quarter came in at $1.33 billion versus the consensus estimate of $1.29 billion.

UnitedHealth Group (NYSE: UNH ), CVS Health (NYSE: CVS ), Humana (NYSE: HUM ) were lower on news of expanded audits of Medicare Advantage Plans.