12:27 PM EST - MDS Inc. : will spend up to US$450 million to buy back between 40 and 46 percent of its outstanding common shares in a long-awaited move to boost the company's share price. MDS said Friday its will hold a so-called ''modified Dutch auction'' for the shares, in which shareholders can deposit all or a portion of their common shares at a price between US$8.10 and $9.30, or without specifying a purchase price. MDS Inc.
shares T.MDS are trading up 26 cents at $8.70.
