Roche Diagnostics (Jobs) Has No Plans to Up Ventana Medical Systems, Inc. (Jobs) Bid: Diagnostics Chief

ZURICH (Reuters) - Swiss drugmaker Roche Holding AG (ROG.VX: Quote, Profile, Research) has no plans to raise its $3-billion hostile offer for Ventana Medical Systems Inc (VMSI.O: Quote, Profile, Research), its diagnostics chief Severin Schwan told Reuters on Tuesday.

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