Emirates Refreshments ERC.DU and Air Arabia AIRA.DU, each up more than 3%, were the top percentage gainers. Meanwhile, global shares slid and oil prices fell as caution gripped markets ahead of central bank meetings and U.S. inflation data, and worries over the lockdowns in China continued. The Qatari index .QSI rose for a second consecutive session as Qatar National Bank QNBK.QA jumped 6.4%.