U.S. regulators should stem the growing tide of anonymous stock-trading and consider charging high-frequency traders for their disproportionate amount of buy and sell orders, said a panel of experts advising how to avoid another "flash crash." The panel's 14 recommendations for U.S. securities and futures regulators contained some bold ideas that, taken together, would overhaul the high-speed electronic trading market. The advisers on Friday told regulators that today's markets can easily breed uncertainty among investors, and asked them to move urgently on the suggestions.
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