Nelson Labs: Q4 revenue increased 2.3% to $55 million (nearly flat constant currency). Pricing and core lab testing growth were partially offset by lower expert advisory services revenue. Segment income rose 1.9% to $18 million.Nordion: Q4 revenue declined 12.3% to $50 million due to harvest-schedule timing that drove 15% unfavorable volume and mix, partially offset by 2.4% favorable pricing. Segment income fell 18.9% to $29 million, with margin down 466 basis points to 57.5%.Sterigenics: Q4 revenue grew 10 ...