Siegel: Market Cheap, But Could Get Cheaper

Author and Wharton Professor Jeremy Siegel says he thinks the stock market is selling at an “extraordinarily low” valuation, but that economic fears could continue to push it down further in the short term. Siegel tells CNBC that he thinks the current turmoil is more like the correction that hit in April 2010 than it is like the financial crisis that hit in late 2008.