Sword Health, an AI-powered virtual physical therapy startup, has raised $30 million and let employees sell $100 million worth of equity to new and existing investors, including Khosla Ventures. The round brings the nine-year-old company’s valuation to $3 billion, a 50% increase from the $2 billion value it garnered in its Series D in November 2021. The company initially set out to just do the $100 million secondary round that would allow employees and early investors to sell shares, Virgílio Be...