SW ▲ +0.1% - Smurfit Westrock Plc $SW - Smurfit Westrock Announces Agreement to Acquire CMPC’s Chilean Containerboard and Corrugated Business Smurfit Westrock announced an agreement to acquire CMPC's Chilean containerboard and corrugated business, a move that expands the company's packaging footprint in South America and adds production capacity in a key market. The modest 0.1% gain suggests investors are cautiously viewing the acquisition, likely weighing the strategic benefits of the regional expansion against questions about deal terms and integration costs. 23-SEP-2026 04:37 PM ET