COHR vs. ARM: Which Tech Growth Stock Is the Better Buy Now?

Core Insights - Coherent Corp. (COHR) and Arm Holdings plc (ARM) are key players in the high-growth tech infrastructure sector, with Coherent focusing on optical materials and semiconductors, while Arm specializes in semiconductor and software design [1] Group 1: Coherent Corp. (COHR) - Coherent reported a 17.3% year-over-year increase in revenues for the first quarter of fiscal 2026, driven by strong demand in the AI sector [2] - The company achieved a 1,081-basis-point year-over-year expansion in operating margin, indicating effective scalability essential for growth in the AI market [2] - Coherent's diverse product pipeline, including the rapid adoption of 800G transceivers, positions it well to meet the increasing demand for AI [3] - The company has a strong balance sheet with $875 million in cash reserves and only $48 million in debt, providing flexibility for investments [4] - Despite its growth trajectory, Coherent faces competitive pressure in the Silicon Carbide (SiC) market from companies like Wolfspeed and ON Semiconductor [5] - The Zacks Consensus Estimate for COHR indicates a 15.1% growth in sales and a 44.5% increase in EPS for fiscal 2026 [10] Group 2: Arm Holdings plc (ARM) - Arm Holdings benefits from a dual-sided network effect that connects software creators and hardware manufacturers, enhancing its position in mobile technology [6] - The company is recognized as a significant player in the AI and IoT sectors, with major clients like Apple, Qualcomm, and Samsung relying on its energy-efficient architecture [7] - However, ARM faces risks in China as local companies shift towards RISC-V, which could impact its growth in that market [8] - The Zacks Consensus Estimate for ARM shows a 21.5% growth in sales and a 5.5% increase in EPS for fiscal 2026 [11] - ARM is trading at a forward P/E ratio of 52.89, significantly higher than Coherent's 34.72, indicating a valuation gap [12] Group 3: Investment Recommendation - Coherent is recommended for portfolio addition due to its higher EPS growth outlook, attractive valuation, and robust liquidity position, despite ARM's dominance in mobile architecture [14]