Galleries Pennsylvania Investment Traders Association of Philadelphia 77th Annual Mid-Winter Convention – February 22-24 By Editorial Staff - February 22, 2001 ShareTweetShare 1 of 1 Marc Gresak, Ashton Technology, Philadelphia; Dan Franks, Nasdaq, Trumbull; Fred Rittereiser, Ashton Technology, Philadelphia; Lee Korins, STA., New York; Bill Uchimoto, Ashton Technology, Philadelphia. ShareTweetShare