The ISEQ index of Irish shares tumbled 392.83 points to 2,663.90 today, a drop of 3.37%.

The ISEQ index of Irish shares ended the day marginally down, slipping 15.53 points to close at 3,278.39.

The ISEQ index of Irish shares climbed above the 3,000-point mark in today's trading, adding 13.02 to close at 3,006.55.