London falls in sympathy

Corporate profit warnings on the other side of the Atlantic and concerns about the state of the global economy, in particular the current spat between China and the US over the P3 spy plane collision, continue to weigh heavily on the markets. The FTSE 100 ended the day down 156 or 2.8% at 5463 on thin volumes. Tech heavyweights ARM holdings, Marconi, Logica and CMG led stocks lower. ARM fell 22p or 6.9% to 298. Marconi, the UK's biggest telephone equipment maker, fell 33p(9.7%) to 309 and CMG gave up 92.5 to finish at 477, a loss of 16%. Sage the supplier of accounting software fel...