Dimon not the only bank exec buying back stock By: CNBC.com News February 12, 2016 at 10:39 AM EST Insiders are buying as bank stock prices sink 20 percent on average and most big banks trade at a substantial discount to tangible book value. Read More >> Related Stocks: Bank of America Citigroup Comerica Fifth Third Bancorp Goldman Sachs Group Huntington Bancshares JPMorgan Chase & Co KeyCorp Morgan Stanley Radian Group Inc Regions Financial Sentinelone Inc Cl A SunTrust Banks Wells Fargo Zions Bancorp