 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the sale of Diamond S Shipping Inc. NYSE: DSSI to International Seaways, Inc. is fair to Diamond S shareholders. Under the terms of the merger agreement, Diamond S shareholders will receive 0.55375 shares of International Seaways common stock for each share of Diamond S common stock held. Halper Sadeh encourages Diamond S shareholders to click here to learn more about their legal rights an 