Apple supplier Lumentum's forecast hit by weak smartphone market
https://www.reuters.com/article/us-lumentum-hldg-results/apple-supplier-lumentums-forecast-hit-by-weak-smartphone-market-idUSKCN1PU1DI
Lumentum Holdings Inc, which supplies sensors for Apple's FaceId feature, forecast third-quarter revenue below analysts' estimates hurt by slowing demand for smartphones in China.