CME fined a HFT firm for an algorithm that went out of control in the Nasdaq
100 futures contract on Oct 28, 2009. The ETF symbol QQQQ was also affected, though
no fines (so far) have been reported.
Nasdaq 100 December 2009 futures contract with depth of book.
Nasdaq 100 Trust ETF (symbol QQQQ)
Nanex
