His Highness the Amir Sheikh Tamim bin Hamad al-Thani's visit to Oman appears to have lifted sentiments in the Qatar Stock Exchange (QSE) as one of its listed entities Qatar Oman Investment Company (QOIS) on Tuesday remained the highest gainer for the second straight session.The domestic and Gulf institutions’ buying interests led the 20-stock Qatar Index to gain more than seven points or 0.07% to 10,673.99 points, recovering from an intraday low of 10,662 points.The transport, telecom, industrials and consumer goods witnessed higher than average demand in the main bourse, whose capitalisation was down QR0.62bn or 0.1% to QR623.42bn on the back of microcap segments.The Gulf individuals were seen net buyers, albeit at lower levels, in the main bourse, which saw as many as 0.01mn exchange traded funds (sponsored by Masraf Al Rayan and Doha Bank) valued at mere QR0.04mn changed hands across 11 deals.The local retail investors’ weakened net selling had its influence on the main bourse, whose trade turnover and volumes were on the increase.The Islamic index was seen gaining faster than the other indices of the main market, which saw no trading of treasury bills.The foreign individuals’ lower net profit booking also had its say in the main bourse, which saw no trading of sovereign bonds.The Total Return Index was up 0.07%, the All Share Index by 0.03% and the All Islamic Index by 0.12% in the main market.The transport sector index gained 0.94%, telecom (0.57%), industrials (0.41%) and consumer goods and services (0.23%); while real estate declined 0.48%, banks and financial services (0.32%) and insurance (0.11%).Major gainers in the main bourse included Qatar Oman Investment, Widam Food, Qatar German Medical Devices, Qatar Islamic Insurance, Industries Qatar and Beema.In the venture market, Al Mahhar Holding saw its shares appreciate in value.Nevertheless, 58% of the traded constituents were in the red in the main market with major losers being Ezdan, Al Faleh Educational Holding, Mekdam Holding, Dukhan Bank, QLM, Mesaieed Petrochemical Holding and Nakilat.In the junior bourse, Techno Q saw its shares depreciate in value.The domestic institutions’ net buying increased noticeably to QR20.44mn compared to QR15.78mn on January 27.The Gulf institutions turned net buyers to the tune of QR2.93mn against net profit takers of QR4.89mn the previous day.The Gulf individual investors turned net buyers to the extent of QR0.96mn compared with net sellers of QR0.2mn on Monday.The Qatari retail investors’ net selling declined substantially to QR6.07mn against QR27.63mn on January 27.The foreign individuals’ net profit booking eased marginally to QR7.01mn compared to QR7.18mn the previous day.However, the foreign institutions were net sellers to the tune of QR6.84mn against net buyers of QR25.33mn on Monday.The Arab individual investors’ net selling expanded markedly to QR4.41mn compared to QR1.23mn on January 27The Arab institutions had no major net exposure against net buyers to the extent of QR0.05mn the previous day.Trade volumes in the main market grew 14% to 165.6mn shares and value by 5% to QR370.65mn, while deals fell 4% to 13,907.The venture market saw an 85% surge in trade volumes to 0.24mn equities, 85% in value to QR0.61mn and 32% in transactions to 33.