Principal Financial Group Inc. announced today that it will move its stock exchange listing to the Nasdaq Global Select Market, effective after market close on Dec. 15. Principal shares will continue to trade under the existing “PFG” ticker symbol. Principal has been listed on the New York Stock Exchange since going public in October 2001. The change is expected to be seamless for Principal shareholders, the Des Moines-based financial services company said in a release. “Our move to Nasdaq is consistent with our evolution as a company, with technology and innovation enhancing our ability to develop new solutions, deliver a better customer experience and put people on the path to financial security,” said Dan Houston, Principal’s chairman, president and CEO.