Mark Cuban had the solution for high frequency traders. Simply charge a 5 or 10 cent per share transactional fee. It would have practically zero impact on investors and would make high frequency trading unfeasible. The liquidity argument is idiocy, the markets had liquidity long before high frequency traders existed. If the markets were a stable place for rational investment they would draw many more investors. Disconnecting share prices from the companies they are intended to represent makes the markets a casino game and nothing more. It's Keno 50 million times per second, backed by institutional investors who pump and dump bets after hours and use financial news to lure new unwitting dead money into the arena. It ought to be a way to provide capital for companies and long term stable opportunity for investment.
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