BUZZ-Gemfields: hits 4-mth high on strong results
** Miner Gemfields up 3.3 pct, highest level since May and top gainer on FTSE AIM 100 index after reporting revenue in line with its forecasts
** FY revenue $193.1 mln, up 13 pct versus last year, profit after tax up 91 pct to $23.5 mln
** Co's FY revenue beats Panmure Gordon's expectation; broker says additional production sources in Zambia, Colombia and Ethiopia make stock attractive
** An entire day's average volume traded by 0800 GMT
** Up to Friday's close, stock had risen 8.8 pct YTD compared to a 10.6 pct rise in the FTSE AIM 100 index (Sanjeeban.Sarkar@thomsonreuters.com)