Market Updates: Goldman Sachs (NYSE:GS), Citigroup (NYSE:C), American International Group (NYSE:AIG), Ford (NYSE:F), Chevron (NYSE:CVX), Exxon Mobil (XOM)

Goldman Sachs (NYSE:GS) documents show that it depended on banks including Citigroup (NYSE:C) and Lehman Brothers Holdings Inc. for protection against a failure of American International Group (NYSE:AIG) . Citigroup, which received the biggest government bailout of any U.S. bank, was Goldman Sachs’s largest provider of credit- default swaps on AIG as of Sept. 15, 2008, according to documents released by Senator Charles Grassley. Lehman Brothers, which declared bankruptcy that same day, is listed as fifth- biggest. Credit-default swaps act like insurance contracts, paying the owner in the event of a default. Goldman Sachs, the most profitable securities firm in Wall Street history, has argued that it didn’t depend on the U.S. government’s $182.3 billion rescue of AIG because the investment bank had collateral and credit-default swaps to protect itself. Joshua…