Kevin Depew's Five Things You Need to Know to stay ahead of the pack on Wall Street:Well that was grim. If you picked up a newspaper over the weekend or happened across any of the news talk shows on Sunday morning the inauguration week elation over President Barack Obama's first week in office was quickly displaced by no shortage of economic doom. Here are some of the things you probably read or heard: a) New Treasury Secretary Tim Geithner labeled China a "currency manipulator " dangerously provoking  one of the United States' largest creditors. b) This provocation could set ...