NEW YORK--(BUSINESS WIRE)--Halper Sadeh LLC, an investor rights law firm, is investigating whether certain officers and directors of The Boeing Company (NYSE: BA) breached their fiduciary duties to shareholders. Attorney Advertising. Prior results do not guarantee a similar outcome. Shareholder involvement can help improve a company's policies, practices, and oversight mechanisms to create a more transparent, accountable, and effectively managed organization, which can enhance shareholder value. Halper Sade ...