RIYADH: Equity markets in the Gulf Cooperation Council countries saw strong growth in January, with Kuwait and Saudi Arabia emerging as top performers, according to an analysis.  In its latest report, Kuwait Financial Center, also known as Markaz, said the substantial increase in the equity markets of Kuwait and the Kingdom pushed up the S&P GCC Composite Index by 3 percent last month.  Kuwait’s All Share Index posted a monthly gain of 5.7 percent in January, followed by Saudi Arabia’s equity market which grew by 3.1 percent during the same period.