But May 6 could happen again and the SEC needs to be prepared, according to James Angel, a Georgetown finance professor who has been warning about the possible negative effects high frequency trading since last year.
Overdahl insists, however, that the firms are not adopting a new name because of any negative overtones to high-frequency trading, which remains important to many of them.
Given the frequency of invisible promotions and their potential negative consequences it might make sense for you to periodically look at your own job to assess unrecognized scope changes.