Elon Musk tweeted 'use Signal', confused investors sent wrong stock soaring over 5,100% https://t.co/iB5KLac26j pic.twitter.com/yQ8V7oTSO9

— Mothership (@MothershipSG) January 12, 2021

Signal Advance has soared 11,708% since an Elon Musk tweet recommending a similarly named privacy app spurred ticker confusion https://t.co/KEwOKlqScn

— Business Insider (@BusinessInsider) January 11, 2021

“Use Signal,” Elon Musk wrote on Twitter on Jan. 7, apparently referring to the encrypted messaging service https://t.co/C7MzK7Qu7E

— Bloomberg (@business) January 11, 2021

Why an Elon Musk tweet led to a 5,675% surge in health-care stock Signal Advance https://t.co/SGMTh0mfuz

— MarketWatch (@MarketWatch) January 11, 2021