Recent Quotes View Full List My Watchlist Create Watchlist Indicators DJI Nasdaq Composite SPX Gold Crude Oil EL&P Market Index Markets Stocks ETFs Tools Overview News Currencies International Treasuries Latest News about Karlyn Mattson Recent news which mentions Karlyn Mattson GNC announces new appointments to executive leadership team July 22, 2021 Tickers GNC Tags Nate Frazier Karlyn Mattson Executive Profiles From Business Journals Data & News supplied by www.cloudquote.io Stock quotes supplied by Barchart Quotes delayed at least 20 minutes. By accessing this page, you agree to the following Privacy Policy and Terms and Conditions.