D.R. Horton ( DHI) Company Profile: D.R. Horton constructs and sells homes in U.S. Through the company's financial services operations, it also provides mortgage financing and title agency services. Short Interest Change: Short interest in D.R. Horton climbed 8.4% to almost 29 million positions as of Feb. 28. Not surprising, the stock is down 3.4% in the last month. D.R. Horton shares were hit hardest on Feb. 22 after the S&P Case-Shiller 20-city index -- a key read on the housing sector -- fell 2.4% from a year ago.