GLOBAL MARKETS-Euro left reeling after ECB's liquidity splurge

* Euro stocks halt after rally, mood cautious ahead of payrolls * Euro skids as ECB cuts rates, plans asset-buying spree * Japanese shares near highest since mid-2008 * Euro zone bond yields continue to fall By Marc Jones LONDON, Sept 5 (Reuters) - The euro was deep in the red on Friday, having suffered its steepest fall in three years after the European Central Bank stunned markets by cutting interest rates and embarking on a trillion-euro asset-buying binge. The aggres