Wall Street still doesn’t seem to care much about the latest shutdown of the U.S. government, as stocks drift around their records on Wednesday, but yields are sinking in the bond market following the latest discouraging signals on the economy.The S&P 500 rose 0.2% in afternoon trading. The Dow Jones Industrial Average added 20 points, or less than 0.1%, to its all-time high set the day before, while the Nasdaq composite rose 0.3%, as of 1:31 p.m. Eastern time.The action was stronger in the bond market, whe ...