Stocks Extend Losses, Led by Banks; Vix Gains By: CNBC.com News October 13, 2011 at 10:02 AM EDT Stocks added to losses Thursday after JPMorgan's less-than-stellar earnings and weaker-than-expected trade data from China left traders cautious. Read More >> Related Stocks: Akamai Technologies Apple Citigroup D.R.Horton Google, Inc. JPMorgan Chase & Co Lennar Corp McDonald's Corp Morgan Stanley PetSmart, Inc. Walt Disney Yahoo