A real estate investment fund recently defaulted on $750 million of mortgages for two Los Angeles skyscrapers. A private equity firm slashed the value of its investment in the Willis Tower in Chicago by nearly a third. And a big New York landlord is trying to extend the deadline for paying down a loan for a Park Avenue office tower.Office districts in nearly every U.S. city have been under great stress since the pandemic emptied workplaces and made working from home common. But in recent months, the crisis has entered a tense phase that could damage local economies and cause financial hits to real estate investors and scores of banks.Lenders are increasingly re …
