European stocks rally on ECB, BoE stimulus pledges

* FTSEurofirst 300 up 2.44 percent, biggest rise in 11 months * ECB, BoE stance boosts case for Europe over U.S. - ING IM * EuroSTOXX 50 breaks above 200-day moving average By Toni Vorobyova LONDON, July 4 (Reuters) - European stocks posted their biggest one-day jump in 11 months on Thursday after central banks in Britain and the euro zone signalled that, unlike the United States, they are in no hurry to unwind stimulus. The Bank of England, under new governor Mark Carney, s