'SOB' bankers should be punished: Wall St watchers By: CNBC.com News March 20, 2015 at 12:47 PM EDT How do you improve the culture of Wall Street? Personally punish the industry's bad apples, according to two longtime observers. Read More >> Related Stocks: Alcoa Bank of America BlackRock Goldman Sachs Group INVESCO Ltd ML DEPOSITOR PREFERREDPLUS 8.375 CITIZENS COMMUN CERT. CZN-1