read more. : Shortly after Tesla CEO Elon Musk warned of a commercial real estate market meltdown, “Shark Tank” star Barbara Corcoran weighed in on the same topic. What Happened: The commercial real estate market is in trouble, Corcoran said in an interview with Fox News last week. Sellers are refusing to move from their homes since they do not want to take on higher interest rates and buyers are afraid of purchasing smaller spaces, she said. “In fact, they’re getting half the house they would have only two years ago.