KRTX - CTXS RIDL PTC and RJF among after hour movers January, 22 2020 05:41 PM Karuna Therapeutics Inc. Gainers: SLM +16.1%. EYE +11.0%. PTC +7.8%. RIGL +5.9%. CTXS +4.1%.More news on: SLM Corporation, National Vision Holdings, Inc., PTC Inc., Stocks on the move, , Read more ...