Sophos Group plc (SOPH.L) (LON:SOPH) shares crossed below its 50 day moving average during trading on Friday . The stock has a 50 day moving average of GBX 580.40 ($7.58) and traded as low as GBX 580.40 ($7.58). Sophos Group plc (SOPH.L) shares last traded at GBX 580.40 ($7.58), with a volume of 68,853 shares traded.