Reflective of the risk aversion in view of the region's geopolitical uncertainties, the Qatar Stock Exchange (QSE) Sunday lost 76 points in key index and more than QR3bn in capitalisation.The local retail investors were seen increasingly net sellers as the 20-stock Qatar Index shed 0.7% to 10,267.61 points, although it touched an intraday high of 10,344 points.The Gulf institutions turned net profit takers in the main market, whose year-to-date losses widened further to 2.87%.About 62% of the traded constituents were in the red in the main bourse, whose capitalisation melted QR3.22bn or 0.53% to QR602.62bn on the back of mid and small cap segments.The Arab individuals were seen bearish in the main market, which saw as many as 0.06mn exchange traded funds (sponsored by Masraf Al Rayan and Doha Bank) valued at QR0.13mn change hands across 10 deals.The foreign funds continued to be net profit takers but with lesser intensity in the main bourse, whose trade turnover and volumes were on the decline.The Islamic index was seen declining slower than the other indices of the main market, which saw no trading of treasury bills.The domestic institutions’ weakened net buying had its influence in the main bourse, which saw no trading of sovereign bonds.The Total Return Index declined 0.36%, the All Share Index by 0.39% and the All Islamic Index by 0.19% in the main market.The banks and financial services sector index shed 0.77%, insurance (0.69%) and real estate (0.28%); while telecom gained 0.41%, transport (0.14%) and industrials (0.03%). The index of consumer goods and services was rather flat.Major losers in the main market included Commercial Bank, QLM, Qatari Investors Group, Salam International Investment, Widam Food, Qatar Islamic Bank, Alijarah Holding, Dlala and Estithmar Holding. In the junior bourse, Techno Q saw its shares depreciate in value.Nevertheless, Aamal Company, Vodafone Qatar, Milaha, Al Faleh Educational Holding and Mesaieed Petrochemical Holding were among the gainers in the main market.The local individuals turned net sellers to the tune of QR12.51mn compared with net buyers of QR8.97mn on March 20.The Gulf institutions were net sellers to the extent of QR7.24mn against net buyers of QR0.89mn the previous trading day.The Arab individual investors turned net profit takers of QR2mn compared with net buyers of QR2.47mn last Thursday.The domestic institutions’ net buying decreased significantly to QR19.83mn against QR30.01mn on March 20.The foreign individuals’ net buying weakened markedly to QR2.65mn compared to QR4.86mn the previous trading day.However, the Gulf retail investors’ net buying strengthened marginally to QR0.5mn against QR0.24mn last Thursday.The foreign institutions’ net profit booking weakened drastically to QR1.23mn compared to QR47.44mn on March 20.The Arab institutions had no major net exposure for the second straight session.The main market witnessed 44% plunge in trade volumes to 88.96mn shares, 66% in value to QR210.98mn and 51% in deals to 8,253.The junior bourse saw as many as 0.03mn equities valued at QR0.07mn change hands across seven transactions.