Baxter Buys $100M Stake in Infusion Pump Firm

(AP) — Baxter International Inc. said Wednesday it bought a stake in Sigma International and will market one of the company's infusion pumps, paying $100 million upfront in the deal. Deerfield-based Baxter will buy a 40 percent stake in Sigma of Medina, N.Y., and could pay an additional $130 ...