Medical products supplier Smith & Nephew reported a strong rise in 2010 profit as well as the departure of its boss. Smith & Nephew saw revenue in the final quarter of 2010 remain more or less unchanged from a year earlier at $1,066m. That brought full year revenue up to $3,962m, up 4% from $3,772m a year earlier - just above forecasts. Full year profit rose from $670m to $895m. David Illingworth, chief executive of Smith & Nephew is leaving, sparking renewed takeover speculation. He'll be replaced by Olivier Bohuon, previously chief executive of Pierre Fabre.Drinks giant Diageo raised revenues in the six months to December, but weakness in Europe resulted in profits missing expectations.Miner Rio Tinto fell even though it reported record full-year profits, a $5bn share buyback and 20% increase in the dividend.FTSE 100 - Risers Autonomy Corporation (AU.) 1,603.00p +1.97%Smith & Nephew (SN.) 724.00p +1.69%Fresnillo (FRES) 1,444.00p +1.33%WPP (WPP) 822.00p +1.23%Essar Energy (ESSR) 505.50p +0.90%Sage Group (SGE) 289.00p +0.80%National Grid (NG.) 564.00p +0.53%Scottish & Southern Energy (SSE) 1,172.00p +0.43%Capita Group (CPI) 670.00p +0.30%Reed Elsevier (REL) 584.50p +0.26%FTSE 100 - Fallers International Consolidated Airlines Group SA (IAG) 246.40p -5.08%Diageo (DGE) 1,194.00p -4.71%GKN (GKN) 210.00p -2.78%Xstrata (XTA) 1,427.00p -2.76%Randgold Resources Ltd. (RRS) 4,908.00p -2.62%Rio Tinto (RIO) 4,537.50p -2.61%Legal & General Group (LGEN) 118.60p -2.55%ARM Holdings (ARM) 588.00p -2.33%Prudential (PRU) 714.50p -2.32%Antofagasta (ANTO) 1,424.00p -2.20%