Traders are moving into ETFs for expressing views and hedging positions fast and cheaply, as per Credit Suisse, Financial Times reports. ETFs accounted for 40% of U.S. equity trading over the four days to August 9. In the same period, total equity trading doubled to nearly $500 billion a day from an average $250 billion a day before the U.S. debt downgrade roiled the market. iShares’ capital markets team analysts said ETFs generated nearly 38% of total equity market trading volumes, compared with a 20-day moving average of 33%.

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