ST. PAUL, Minn.--(BUSINESS WIRE)--Ecolab Inc. (NYSE: ECL): FOURTH QUARTER HIGHLIGHTS Reported sales $3.9 billion, +7% versus last year. Organic sales +6%, led by double-digit growth in the Institutional & Specialty segment and Pest Elimination, and solid Industrial segment growth. As expected, Healthcare & Life Sciences segment sales were stable versus last year but continued to show good sequential sales growth. Reported operating income +48%. Organic operating income +21%, driven by continued strong ...