Advent International has increased its offer for Polish retailer EKO Holding (Warsaw: EKO) to approximately $86.91 million, following which Mid Europea Partners bumped up its own offer to around $98 million. Former EKO CEO Krzysztof Gradecki has tendered his 55% stake to Advent at the lower price. www.eko.pl
Arbor Investments has completed its acquisition of Columbus Manufacturing, a Chicago-based maker of salamis and other deli meats, from Endeavour Capital. No financial terms were disclosed, but Dow Jones previously reported that the was for more than $200 million. www.columbussalame.com
Logibec Groupe Informatique, a portfolio company of OMERS Private Equity, has acquired Artefact, a Quebec City-based provider of software for healthcare organizations, from a subsidiary of IBM. No financial terms were disclosed. www.logibec.com
TVV Capital has acquired Big 3 Precision Products Inc., a Centralia, Ill.–based manufacturer of injection blow molds, tooling and fabrication products. No financial terms were disclosed.www.big3precision.com
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