Spirent Communications plc (LON:SPT – Get Free Report) passed above its 200-day moving average during trading on Monday . The stock has a 200-day moving average of GBX 143.23 ($1.82) and traded as high as GBX 194.80 ($2.48). Spirent Communications shares last traded at GBX 188.50 ($2.40), with a volume of 1,163,516 shares changing hands. […]