Paul Singer, the boss of $42 billion fund Elliott Management, also struck a pessimistic tone on bitcoin and Tesla. :
Billionaire investor Paul Singer told clients that early 2021 has been a period of "head-smacking craziness" for US stocks and warned there could be "trouble ahead." The boss of $42 billion investment group Elliott Management also struck a pessimistic tone on bitcoin and Tesla in a January 28 letter to clients seen by Bloomberg. Singer suggested bitcoin would falter, bringing about a "we told you so" moment for him and colleagues.