 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the merger of Aspen Technology, Inc. NASDAQ: AZPN and certain of Emerson Electric Co.s industrial software businesses is fair to Aspen shareholders. Under the terms of the agreement, Aspen shareholders will receive approximately 87.00 per share in cash and 0.42 shares of common stock of the combined company for each share of Aspen common stock they own. Upon completion of the transaction 