 Smith Nephew PLC LON:SN saw its shares slide in early deals as it caught the market on the hop with a disappointing set of results. Shares in the wound care and knee hip implants specialist were down 7.3 at 1,453p, making them the worst performers in the FTSE 100 after it reported a 7.1 underlying fall in revenue for the final quarter of 2020 to US1,326mln from US1,407mln the year before. 