(Bloomberg) -- US college endowments are rebounding from their worst returns since the Great Recession, but increased costs to pay for buildings, salaries and financial aid are cutting into those gains. Most Read from BloombergRetirees Face $17,400 Cut to Social Security Benefits in 2033Ecuador Presidential Candidate Assassinated, Suspect Shot DeadFirst American City to Tame Inflation Owes Its Success to Affordable HousingEveryone Wants to Work at UPS After Teamsters DealOnce Asia's Richest Woma