Livent CEO sees 'difficult environment' for lithium producers

(Reuters) - The lithium industry is working through "difficult" times due to low prices for the battery metal and global oversupply concerns, though an upswing in demand should help beginning next year, Livent Corp Chief Executive Paul Graves said on Wednesday. The company, which operates in northern Argentina, late Tuesday cut its full-year revenue and earnings forecast for the second time this year because it will delay selling about a quarter of its annual lithium hydroxide production until..