 NEW YORK--BUSINESS WIRE--Halper Sadeh LLP, a global investor rights law firm, is investigating whether the sale of The ExOne Company NASDAQ: XONE to Desktop Metal, Inc. is fair to ExOne shareholders. Under the terms of the agreement, ExOne shareholders will receive 8.50 in cash and 17.00 in shares of Desktop Metal common stock for each share of ExOne common stock. Halper Sadeh encourages ExOne shareholders to click here to learn more about their legal rights and options or contact Daniel 