UK's Smith & Nephew tumbles after confirming failed J&J deal talks, cutting forecast

** Shares of British medical products maker Smith & Nephew SN.L down 2.6% at 1088.5p, among top losers on FTSE 100 index .FTSE

** Co confirmed reports that it was approached by Johnson & Johnson JNJ.N earlier this year about a potential merger with its orthopaedics business, but those conversations have now ended

** SN cut annual revenue and profit forecasts due to weak growth in its US orthopaedics unit, and expects it to persist through the final quarter
** Up to Tuesday's close, stock had fallen 9.8%, compared with a 7.25% YTD increase in FTSE 100