The markets are up big this morning on the news that a group of the world's largest central banks have coordinated a liquidity injection into the banking systems to help ease the tightening credit conditions that we have been talking about of late.The action included the Bank of Canada, Bank of England, Bank of Japan, the ECB, the Swiss National Bank, and the Federal Reserve. They said, "The purpose of these actions is to ease strains in the financial markets and thereby mitigate the effects of such strains on the supply of credit to households...