Ventana Medical cedes Vision Systems to Cytyc
Ventana Medical Systems Inc. VMSI.O   said on Sunday that it would not increase its offer for   Australian medical instruments maker Vision Systems Limited   VSL.AX, ceding the company to higher bidder Cytyc Corp.   CYTC.O.
Johnson &amp; Johnson will delay by five months the release of a study comparing its Cypher heart device with Boston Scientific Corp.'s Taxus, the first large-scale comparison of the only two drug-coated stents on the market.