TREX - BYND CGNX and NOV among after hour movers July, 29 2019 05:40 PM Trex Company Inc. Gainers: TREX +9.2%. RNG +9.0%. NOV +8.0%. NBIX +7.8%. MEDP +7.5%.More news on: Trex Company, Inc., RingCentral, Inc., National Oilwell Varco, Inc., Stocks on the move, Read more ...