MERGERS AND ACQUISTIONS ATS Labs Inc., Eagan, has acquired Microcheck Inc., a Northfield, Vt.-based provider of contract microbial identification testing. The acquisition strengthens ATS Labs' microbiology services to sterile and non-sterile manufacturing operations.

NEW PRODUCTS Riverbridge Partners, Minneapolis, has launched its first mutual fund, the Riverbridge Growth Fund. The Riverbridge Growth Fund is available through two share classes, Investor Class (RIVRX) and Institutional Class (RIVBX) shares. The minimum initial investment for Investor Class shares is $2,500 and the minimum initial investment for Institutional Class shares is $1 million. The new fund invests in U.S. equities across all market capitalizations.