The recent sharp moves (epic?) provided plenty of opportunity for Day Traders. Bloomberg has written about CIS before, same thing then, he provided Bloomberg with brokerage statements of his trades to validate his claims.
http://www.bloomberg.com/news/artic...-panicked-japanese-day-trader-made-34-million
http://www.bloomberg.com/news/artic...-panicked-japanese-day-trader-made-34-million