MIDEAST STOCKS-Gulf may have soft tone; UAE and Qatar earnings lacklustre

DUBAI, Oct 27 (Reuters) - Gulf stock markets may have a soft tone on Thursday as global markets sag, and after lacklustre earnings reports by some major United Arab Emirates and Qatari companies. MSCI's broadest index of Asia-Pacific shares outside Japan is down 0.9 percent, while Brent crude oil slumped about 1 percent to around $50 a barrel overnight. National Bank of Abu Dhabi posted a flat third-quarter net profit while First Gulf Bank reported a rise to 1.86 billion dirhams ($507 million) f