Celestica, a Canadian-based electronics manufacturing services provider, has seen its stock surge by over 300% this year, driven by strong demand from AI infrastructure builders. The company specializes in designing and manufacturing complex electronic systems for data centers, networking equipment, and high-performance computing platforms. As AI companies scale their server deployments, they rely heavily on contract manufacturers like Celestica to produce the intricate circuit boards, chassis, and subsystems that power AI hardware. Celestica’s growth has been fueled by increased orders from major cloud providers and AI-focused tech firms that are rapidly expanding their data center footprints. The company reported a 45% year-over-year revenue increase in its most recent quarter, reaching $1.6 billion. Its backlog has grown significantly, reflecting long-term commitments from clients building out AI-ready infrastructure. The company’s focus on high-margin, complex manufacturing for AI and telecommunications has positioned it well in the current tech cycle. Celestica also benefits from the trend of hyperscalers moving toward vertically integrated designs, requiring specialized manufacturing partners with deep engineering expertise. Analysts highlight Celestica’s strong execution and expanding customer base as key drivers. Revenue is projected to grow by 30% in the current fiscal year, followed by 20% growth in the next, according to LSEG. While growth is expected to moderate in later years, the company remains well-positioned to capture ongoing demand for AI infrastructure components. Together, these five infrastructure stocks—Lumentum, Western Digital, Micron, Seagate, and Celestica—have delivered extraordinary returns this year, underscoring the massive shift in capital toward the physical backbone of the AI revolution. Their success reflects the critical role that optical connectivity, data storage, memory, and manufacturing play in enabling the next generation of artificial intelligence.