LONDON (MarketWatch) -- The Markit euro-zone purchasing managers index rose to 49.9 in August, up from the flash estimate of 49.5 and above the 45.7 registered in July. That leaves it under the key 50 neutral mark for the 15th month in a row. http://www.marketwatch.com/story/euro-zone-services-aug-pmi-499-vs-457-2009-09-03-42210