 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the sale of Mackinac Financial Corporation NASDAQ: MFNC to Nicolet Bankshares, Inc. is fair to Mackinac shareholders. Under the terms of the merger agreement, Mackinac shareholders will receive 0.22 shares of Nicolets common stock and 4.64 for each share of Mackinac they own. Halper Sadeh encourages Mackinac shareholders to click here to learn more about their legal rights and options or 