NPTN - NeoPhotonics +12% as B. Riley leaves sidelines May, 20 2019 11:58 AM NeoPhotonics Corporation B. Riley upgrades NeoPhotonics (NYSE:NPTN) from Neutral to Buy but cuts the price target from $7.25 to $5.50 and lowers the 2019/2020 EPS estimates.More news on: NeoPhotonics Corporation, Tech stocks news, Stocks on the move, Read more ...