Notice that while retail was arguing with Buffett and buying every airline stock and their ETF, the best program trading firms were selling them all they wanted and driving the markets lower. And then setting up for Expiration Week, that is also Post Unemployment Week. Program Trading was over 93% of the volume last week and normal after a crash.
http://www.programtradingresearch.com/subscribers/dailyoex.htm
http://www.programtradingresearch.com/subscribers/dailyoex.htm