Thursday Potpourri

* Thanks to several readers for pointing out this article on biofeedback and this one. The real time use of biofeedback is a fascinating area; see also my post on the uses of biofeedback for traders;

* Very creative: combining rate-of-change and analyst revisions into a trading strategy;

* Worthwhile trading strategies and studies from Market Rewind;

* Major averages touched new bull highs today, but I note that we had nearly 500 stocks across the NYSE, NASDAQ, and ASE make 20-day lows, against about 1400 new highs. That remains considerably weaker than readings at September's peak;

* Real estate bubble in China?

* Thanks to an alert reader for this article on rules for competitiveness;

* What hedge funds are buying and selling.
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