Activist Wants This Construction Company to Make Serious Changes. Stock Returns Are 'Unacceptable.' — Barrons.com

By Kit NortonActivist investor Starboard Value has its eye on making some serious changes to construction company Knife River and the stock market has approved of the first effort.Knife River stock rose 4.3% to $53.66 in premarket trading on Thursday after Starboard Value said it has taken a signif…