The Dow is down over 800 points, and the day isn’t even over. This beats last week’s all-time record of 777 points. A global credit crisis is in full swing, with versions of what just decimated Wall Street repeating itself across Europe as governments swoop in with bailouts of high-profile banks. Verily, blood is in the streets. Hm, what’s that old saw? Oh. Right. Buy when there’s blood in the streets.