Lumen (NYSE: LUMN) stock got hit hard in Tuesday's trading. Its share price was down 10% just before market close on news that the company could wind up selling one of its units to AT&T.

(Reuters) -AT&T is in talks to acquire Lumen Technologies' consumer fiber ... Earlier this month, it had forecast first-quarter adjusted profit in line with analysts' estimate.

March 25 (Reuters) - AT&T (T.N), opens new tab is in talks to acquire Lumen Technologies' (LUMN.N ... it had forecast first-quarter adjusted profit in line with analysts' estimate.