NWPX ▲ +0.8% - NWPX Infrastructure, Inc. $NWPX NWPX - NWPX Infrastructure Announces Acquisition of Serpentix Conveyor, LLC NWPX Infrastructure announced the acquisition of Serpentix Conveyor, LLC, a move that likely signals expansion of its service capabilities or market reach within the conveyor and material handling sector. The stock rose 0.8% on the news, suggesting investors viewed the deal as a positive development for the company's growth trajectory. 02-SEP-2026 04:19 PM ET