1 Beaten-Down Stock to Buy Right Now, and 1 to Avoid

Equity markets are full of bargains -- stocks that have performed terribly in recent months, whether due to trade-related marketwide issues or company-specific troubles, but could bounce back once things improve. There are also companies that are not performing well and are unlikely to rebound anytime soon; that's the kind investors should stay away from.Let's consider one stock in each category: Moderna (MRNA -1.50%), a beaten-down stock with decent prospects, and Teladoc Health (TDOC -1.02%), one whose fu ...