Medical Properties Trust (MPW), a REIT holder of acute-care hospitals, delivered accelerating growth in the past two quarters, yet the stock is in the doldrums. What’s happening with this stock? In recent quarters, funds from operations (FFO) grew 8%, then 15%, and 19%. Revenue showed signs of acceleration going back a bit further: 21% sales growth, then 31%, 30%, and 42%. Yet the stock is 27% off its January high.