Teladoc (TDOC) is among the worst-performing stocks since the COVID-19 pandemic drove the valuations of telehealth companies significantly higher. Valued at $1.66 billion by market cap, Teladoc stock went public in July 2015, and closed its trading debut at $28. It then touched an all-time high of $308 in February 2021, and has since lost about 97% of its market value.
