The telehealth platform is growing quickly but is in the middle of a legal battle.Shares of Hims & Hers (HIMS 1.49%) stock sank 17% this week, according to data from S&P Global Market Intelligence. The telehealth platform is delivering huge revenue growth but is at risk of a legal battle with weight loss drugmakers. Shares of the stock are down 25% from all-time highs but are up 400% in the past five years due to the platform's fast growth.Here's why the stock sank this week.Fast growth but a looming lawsui ...