Icahn says he has a large position in Rubbermaid maker Newell, calls stock 'undervalued'

Billionaire Carl Icahn said he has a large position in Rubbermaid parent Newell Brands. "I believe Newell itself is undervalued and that's why I bought it," the investor told CNBC's Scott Wapner on Thursday. The investor said he believes he has among the largest positions on Wall Street in the stock.