Updates from Tullow Oil, Reckitt Benckiser and Oxford Instruments

Another boost for the FTSE 100, up +0.98% to 6,338 points. Some of the lift was from Barclays, whose shares lifted +8.57% yesterday. BAE Systems saw the biggest fall, down -1.81%.

Overnight, Asian stocks - bar Japanese stocks - continued to rise with the Australian market hitting a three-and-a-half year high, 5,003.70, helped by better banking numbers.