Following yesterday’s relatively calm trading, the SkyNet SellBots kicked things back in gear with another dramatic sell-off. A brief morning rally quickly turned into another waterfall decline. A last hour rally trimmed the day’s damage just a bit.

Dow ends down over 900 points in wild action, as stocks book worst week since 2008.

The DJIA dropped 913 points (4.6%) and the NASDAQ sank 271 points (3.8%). US Treasury paper and gold gained again while oil plunged.

Stay tuned as the battle of the SkyNet StockBots continues.