Why E*TRADE Financial Corporation (ETFC) Stock Is Down Today

NEW YORK (TheStreet) -- E*TRADE Financial Corporation  (ETFC) fell Friday amid continuing concerns about high-frequency trading.

Prominent figures such as Charles Schwab have recently criticized high-frequency trading, a significant source of the financial services company's revenue. Such criticisms have led to growing concern that regulators could take aim at such practices.

Reuters describes this process as "payment-for-order-flow," in which E*TRADE receives payments from professional trading firms in exchange for hundreds of thousands of orders that brokerages send to those firms.

The stock was down 5.91% to $20.85 at 11:24 a.m. on Friday.

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