Facebook Inc.’s FB -3.22% stock price plumbed a new low Thursday as early investors were freed to sell some of their stakes, leaving the once-prized stock down nearly 50% from its debut and forcing executives of the young Internet giant to pump up morale.
After joining Facebook as vice president of marketing last year, Carolyn Everson made it her mission to win over skeptical ad executives who complained that spending on the giant social network wasn’t paying off.