BUZZ-Qatar's Gulf International Services sinks on Q3 earnings miss

** Shares in Qatar's Gulf International Services drop 3.6 percent to 32.50 riyals ** Company reported 87 percent fall in third-quarter net profit to 28.3 million riyals ($7.8 million); QNB Financial Services had forecast 78.2 million riyals ** Major technical support on April and May lows of 32.45-32.60 riyals ** Qatar stock index rises 0.3 percent (Reporting by Andrew Torchia)