The Street collectively sighs

A disastrous week on Wall Street finished with a nice lift as the Dow Jones Industrial Average jumped 494.13 points to close at 8,046.42 on Friday, somewhat salvaging the nearly 950 points lost for the first four days of the week. The Street appeared to have been positive about new blood in the Treasury Department as reports surfaced Friday that New York Federal Reserve President Timothy Geithner may take over for Henry Paulson once President-elect Barack Obama takes residence at 1600 Pennsylvania Ave....