NEW YORK, June 18, 2024 (GLOBE NEWSWIRE) -- Halper Sadeh LLC, an investor rights law firm, is investigating the following companies for potential violations of the federal securities laws and/or breaches of fiduciary duties to shareholders relating to: Diamond Offshore Drilling, Inc. (NYSE: DO)’s sale to Noble Corporation plc for 0.2316 shares of Noble and $5.65 in cash for each share of Diamond stock. If you are a Diamond shareholder, click here to learn more about your legal rights and options. SPAR Group ...