Stock Exchanges Dealt Blow as SEC Reviews Power to Raise Fees

The New York Stock Exchange, Nasdaq and other exchanges were dealt a blow Tuesday by the Securities and Exchange Commission, which said it’s considering chipping away at the broad authority that trading platforms have to increase the fees they charge for some data feeds.

Under current rules, stock exchanges can collectively raise fees for basic market data before getting approval from the SEC. That has triggered complaints from brokers and other market participants about surging costs for data feeds, which they need to execute trades.

The SEC said it’s now reviewing an aspect of regulations known as the National ...