Billionaire investor warns that the app bubble is the new dot com bubble

"Small individual investors are putting their money into apps with no chance of getting their money back," the Dallas Mavericks owner and "Shark Tank" investor told CNBC's "Closing Bell" program.

He also said he views the private tech bubble as being much more dangerous than the public Internet bust of 15 years ago. He says the angel investors and other contributors to apps make more risky plays than regular stock traders because their bets don't come with liquidity.

Cuban made his comments during a week when the NADAQ index hit 5,000 for the first time since 2000 .... http://www.naturalnews.com