Wall Street isn’t buying the office market’s recovery, even as buildings fill up, leasing improves and values finally appear to have bottomed. 
Office REIT stocks have sunk this year amid fears that artificial intelligence could permanently reduce the number of workers companies need — and the space to house them.
Compounding those concerns are the massive concessions landlords are offering to lure tenants, raising doubts about whether today’s leasing gains will translate into real cash flow.