Traders debate whether banks are a buy after no good, very bad week By: CNBC.com News September 16, 2016 at 18:33 PM EDT The "Fast Money" debated whether it's time to buy the banks after the SPDR S&P Bank ETF ended the week down 2.1 percent. Read More >> Related Stocks: Deutsche Bank Ag S&P Bank ETF SPDR Wells Fargo