The ISEQ index of Irish shares was up 17.68 points to 5580.51at close of business today.
Tullow Oil shares closed down 4c to €1.88 after the company announced in interim results that operating profits were up 51% to £26.5m (€38.8m) in the six months to June 30, up from £17.6m (€25.8m) in the first half of 2003.
The company's debt is now at £85.8m (€125.6m), up from £30.6m (€44.8m) in 2003.
Most-traded stocks today included those of Anglo Irish Bank, up 25 cent to €14.59. The bank was named today in a companies "A-list" compiled by Forbes magazine in a study which uses a range of measures including sales and earnings growth, analysts’ expectations and share price movements to compare contenders.
Irish life and Permanent and CRH were the other two Irish companies to feature on the list.
Back on the ISEQ, other most-traded stocks included Ryanair (up three cent to €4.26), AIB (up two cent to €13.27), Bank of Ireland (up five cent to €11.25), and Kerry Group (up one cent to €16.86) .