(Bloomberg) -- When Bitcoin plunged from around $30,000 to below $20,000 in little more than a week last year, Three Arrows Capital co-founder Su Zhu described the tailspin as the “nail in the coffin” for his hedge fund. Most Read from BloombergA $300,000 Salary Feels Like $100,000 in The Priciest US CitiesBud Light Kicked a Hornet’s Nest and Ran AwayFive Things to Watch in What Will Be an Ugly Earnings SeasonApple Makes Headway on New Mac Laptops as It Grapples With SlumpSummers Warns US Is Get