After three days of furious rally, the SkyNet SellBots took control in overnight future trading, sending stocks sharply lower at the open of trading on Wall Street. From there, stocks zigged and zagged and closed near the lows of the day. The DJIA plunged 915 points (4.0) and the NASDAQ surrendered 295 points (3.8%). US Treasury paper gained more ground. Gold edged higher.

Stay tuned as the battle of the SkyNet StockBots continues.