Ciena shares surge on market optimism; HP tumbles amid PC market headwinds

Ciena $CIEN shares rallied Monday while HP $HPQ plunged on revised guidance pointing to a weaker personal-computer market outlook for 2027. The divergence reflects sector divergence in technology hardware as enterprise networking infrastructure benefits from cloud and AI buildouts.

Investor sentiment split between infrastructure enablers gaining from long-cycle capex commitments and consumer-oriented PC makers facing cyclical pressure. Broader equity markets advanced on hopes of US-China trade progress and falling oil prices before the Trump-Xi summit later this week. #tech #markets