Subject: Market Tumbles Amid Sell-Off Led By High-Tech, Riverboat Casino Stocks Date: Published: 6/8/93 (22 lines) Source: Wall Street Journal. Copyright Dow Jones & Co. Inc. OTC Focus: Market Tumbles Amid Sell-Off Led By High-Tech, Riverboat Casino Stocks ---- By Caitlin Mollison Staff Reporter of The Wall Street Journal [64 lines irrelevant to AIDS omitted. --sysop] Repligen jumped 1 3/4 to 7 3/4. The Cambridge, Mass., company said a Phase I clinical study with its HIV therapeutic vacccine candidate has begun at the University of Colorado Health Sciences Center. [This article is made available here by Dow Jones Co. for the personal and non-commercial use of callers to this bbs, in the hope that it will be of some help to those who are suffering from the disease and others who are seeking to help them.]