Matthew Hobbs, a senior lab technician, looks at a jar of cockroaches with Julie Marquardt, vice president of research and development for pest elimination at the Ecolab campus in Eagan in December.

BMO Capital raised the firm’s price target on Ecolab (ECL) to $305 from $295 and keeps an Outperform rating on the shares. The firm’s recent meeting with the company management has left it ...