TraderWise

In this week's Barron's the Other Voices column is a startling article about HFT, or High Frequency Trading, which now comprises 73% of the equities markets - how can one be a Contrarian to computers that scalp split-second anomalies by algorithms, presenting such a danger to investors, as in 2007, when they jointly pulled the liquidity, unlike Specialists that make "orderly markets"?
I used to liken investing as playing poker in the World Series of Poker - now I revise that to playing chess against a computer that has no emotion!