(Reuters) - Facebook Inc (FB.O) said it was investigating if a security breach that it revealed last week had impacted users of its corporate chat app, Workplace.
FILE PHOTO: Silhouettes of laptop users are seen next to a screen projection of Facebook logo in this picture illustration taken March 28, 2018. REUTERS/Dado Ruvic/Illustration/File Photo
The company’s shares were down 2 percent at $159.26.