 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the sale of Riverview Financial Corporation NASDAQ: RIVE to Mid Penn Bancorp, Inc. is fair to Riverview shareholders. Under the terms of the merger agreement, shareholders of Riverview common stock will receive 0.4833 shares of Mid Penn common stock for each share of Riverview common stock they own. Halper Sadeh encourages Riverview shareholders to click here to learn more about their lega 