Paul Singer, Elliott ManagementREUTERS/Steve Marcus Paul Singer sounded recession alarms and warned of a lengthy period of low returns. The hedge fund manager said the US economy is facing an "extraordinarily dangerous and confusing period," per the WSJ. Singer previously called the subprime mortgage crisis and warned of the post-Covid inflation spike. Billionaire hedge fund proprietor Paul Singer warned investors of a prolonged market cycle of low returns in financial assets as recession risks continue to mount.