** Saudi Arabia's stock index jumps 2% in early trade after the kingdom announced opening of financial market to all foreign investors from February 1
** The move is the biggest since September 2025
** All sectors advance, led by blue-chip stocks
** Oil major Saudi Aramco TADAWUL:2223 gained 1.5%, Al Rajhi Bank TADAWUL:1120 climbed 3%, Saudi Tadawul Group TADAWUL:1111 jumped 7% and Saudi National Bank TADAWUL:1180 rose 2.5%
** Saudi Arabia's benchmark index TADAWUL:TASI down 1.9% YTD at previous session close
** In 2025, .TASI dropped nearly 13%
