Hennessy Advisors Trading Up 0.7%HNNA stock opened at $9.92 on Friday. Hennessy Advisors has a 1-year low of $8.90 and a 1-year high of $13.00. Get Hennessy Advisors alerts:Hennessy Advisors (NASDAQ:HNNA – Get Free Report) last posted its earnings results on Wednesday, August 5th. Hennessy Advisors is registered with the U.S. Securities and Exchange Commission and operates under the Investment Advisers Act of 1940. Recommended StoriesReceive News & Ratings for Hennessy Advisors Daily - Enter your email address below to receive a concise daily summary of the latest news and analysts' ratings for Hennessy Advisors and related companies with MarketBeat.com's FREE daily email newsletter.