 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the sale of Sterling Bancorp NYSE: STL to Webster Financial Corporation is fair to Sterling Bancorp shareholders. Under the terms of the merger, Sterling Bancorp shareholders will receive a fixed exchange ratio of 0.463 of a Webster share for each share of Sterling Bancorp stock they own. Halper Sadeh encourages Sterling Bancorp shareholders to click here to learn more about their legal ri 