SEC delays Chicago Stock Exchange deal

The United States Securities and Exchange Commission (SEC) on Wednesday put on hold a decision by its staff approving the sale of the Chicago Stock Exchange to a group led by China-based investors, giving the regulator more time to mull the politically sensitive deal. The SEC will vote at a later date on whether to let the decision stand. The SEC move is not unusual, particularly if the deal is controversial or high profile. In May, SEC did not give a reason for its decision to review its staff ’s initial approval to allow what would have been the first quadruple-leveraged exchange traded fund to come to market.