Doximity at the New York Stock Exchange for their IPO, June 24, 2021.Source: NYSEIf the Covid era marked a boom time for digital health companies, 2024 was the reckoning.In a year that saw the Nasdaq jump 32%, surpassing 20,000 for the first time this month, health tech providers largely suffered. Of 39 public digital health companies analyzed by CNBC, roughly two-thirds are down for the year. Others are now out of business.There were some breakout stars, like Hims & Hers Health, which was buoye...