(ShareCast News) - Stadium, an AIM-listed supplier of wireless solutions, power supplies and electronic assemblies, announced that its Group Finance Director Rex Orton has been unable to assume his position due to ill health and will step down with immediate effect. The board has wished Orton well with his recovery and has commenced a process to appoint a suitable replacement.Former chief financial officer Joanne Estell has been retained in the company and will continue to provide continuity in the finance role into early 2017.The share price rose 1.94% to 79p at 1156 GMT on Thursday.