美股盘前，光通信股普涨，Lumentum、康宁均涨超1%。

其他语言标题

• EnglishU.S. stock premarket, optical communication stocks broadly rose, with Lumentum and Corning both up over 1%.
• 한국어美股盘前，光通信股普遍上涨，Lumentum、康宁均涨超1%。