SGLB - Technology - Top 5 Gainers / Losers as of 2.55 PM (05/30/2018) May, 30 2018 02:55 PM Sigma Labs Inc. Gainers: SGLB +104%. PDVW +13%. APPS +11%. IQ +11%. BITA +11%. More news on: Sigma Labs, Inc., pdvWireless, Inc., Digital Turbine, Inc., Tech stocks news, Stocks on the move, , Read more ...