 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the sale of W. R. Grace Co. NYSE: GRA to Standard Industries Holdings Inc. is fair to W. R. Grace shareholders. Under the terms of the merger agreement, W. R. Grace shareholders will receive 70.00 per share in cash. Halper Sadeh encourages W. R. Grace shareholders to click here to learn more about their legal rights and options or contact Daniel Sadeh or Zachary Halper at 212 763- 