Core Viewpoint - Celestica (NYSE: CLS) is considered a solid buy due to its customized solutions offered in both Advanced Technology Solutions (ATS) and Connectivity & Cloud Solutions (CCS) segments [1] Group 1: Company Overview - Celestica operates in two main segments: Advanced Technology Solutions (ATS) and Connectivity & Cloud Solutions (CCS) [1] Group 2: Investment Rationale - The company's customized solutions across its segments are highlighted as a key factor for investment attractiveness [1]