PI - Technology - Top 5 Gainers / Losers as of 3.00 PM (09/13/2018) September, 13 2018 03:02 PM Impinj Inc. Gainers: PI +35%. NH +14%. ESP +14%. TKC +12%. USAT +10%. More news on: Impinj, Inc., NantHealth, Espey Mfg. & Electronics Corp, Tech stocks news, Stocks on the move, , Read more ...