Hims & Hers Health Inc. (NYSE: HIMS) plunged 13.1% in Tuesday pre-market after the digital health company reported second-quarter revenue on Monday that missed Wall Street expectations.

Hims & Hers Health, a telehealth platform that sells knock offs of popular weight loss drugs, sank in after-hours trading after missing expectations on quarterly earnings and revenue. The stock was down 12% at $55.68 in after-hours trading Monday. It is up 162% so far this year, according to Dow Jones Market Data.

The telehealth-consultation platform posted an increase in profit and revenue for the second quarter on growth in subscribers using personalized treatment plans.