NPTN - NeoPhotonics plunges after soft Q3 guidance August, 05 2020 01:24 PM NeoPhotonics Corporation NeoPhotonics (NYSE:NPTN) trades down 15.4% after yesterday's Q2 report included soft Q3 guidance.More news on: NeoPhotonics Corporation, Tech stocks news, Stocks on the move, Earnings news and commentary, , Read more ...