MP Materials’ stock climbed sharply on Friday after the rare earth miner reported improved second-quarter results, record production of a critical rare earth oxide, and transformative investment agreements…

Trade Desk’s stock (NASDAQ: TTD) took a big hit on Friday, dropping 38% after the company released its second-quarter results and offered cautious guidance for the third quarter.While…

Under Armour shares fell as much as 21% to $5.25 in early trading on Friday after the sportswear maker warned that sales would deteriorate further this quarter and…