TTMI vs. APLD: Which AI-Infrastructure Stock Has More Upside Potential?

TTM Technologies (TTMI) and Applied Digital (APLD) both benefit from AI infrastructure growth, but TTMI emerges as the stronger investment. TTMI's Data Center & Networking sales surged 91% year-over-year with N+M PCB technology ramping to $600M in H2 2026, while maintaining profitability and attractive valuation. APLD, despite $36B in contracted revenues, faces persistent losses, heavy capital requirements, and customer concentration risks. TTMI trades at 2.41X forward sales versus APLD's 7.36X, earning a Zacks Rank #1 (Strong Buy) versus APLD's Rank #5 (Strong Sell).