STMicroelectronics rose on the heels of strong Q1 2026 earnings — net revenues surged 23% year-over-year to $3.10 billion — and a wave of analyst upgrades following blowout Q2 guidance of ~$3.45 billion, well above consensus. Craig Hallum upgraded to Buy with a $58 target, CFRA raised to Buy with a $60 target, TD Cowen lifted its target to $50, and Mizuho reiterated Buy with a $56 target, all citing STM's positioning in AI datacenter chips, silicon carbide, and MEMS sensors. The company also guided for over $500 million in datacenter revenue for 2026, rising to over $1 billion in 2027, and announced a May 4 investor webcast on the LEO opportunity.

Shares reached a new 52-week high of $51.59, aided by a historic 17-consecutive-day winning streak in the Philadelphia Semiconductor Index, strong peer gains, and Intel's 19% surge on its own AI-driven earnings beat. [...] STMicroelectronics surged after reporting Q1 2026 revenue of $3.10B, up 23% year-over-year and above guidance, alongside a Q2 revenue outlook of $3.45B that significantly beat the $3.19B consensus. Management set bold datacenter revenue targets of over $500M for 2026 and above $1B for 2027, underpinned by a…