In a joint statement later today Quay Software and Capita will be announcing Capita's acquisition of Quay Software.
The FTSE 100 has jumped 38.9 points or 0.71% to 5,498.9 - a slight drop from its earlier gains which at one point reached 5,531.6, its highest point since August 2001.
The FTSE 100 index has continued its strong performance this week as analysts have increased their share price forecasts on British Airways and Anglo American.
A strong performance by BPB has pushed the FTSE 100 higher with a gain of 30 points or 0.55% to 5,460 after the plasterboard supplier agreed to an increased offer from Cie de Saint-Gobain SA.
The FTSE 100 index has ended the day down 9.6 points, or 0.18% to 5,430, after a small rally caused by buoyant property stocks and a better than feared start on Wall Street.
The FTSE 100 ended trading today on a decline with a drop of 30.4 points, or 0.56%, to 5,439.6, thanks to a poor performance from Vodafone, although a rise in the US markets pulled back some of the losses.
Over 50% of active investors are confused by the upcoming A-Day changes to pensions, claims a new survey from TD Waterhouse.
The FTSE 100 has slipped 13.6 points, or 0.3%, to 5456.4, with Vodafone Group leading the decline after the company reported earnings which missed analysts' estimates.
The FTSE 100 has ended the day on a slight high with a rise of 4.9 points, or 0.09%, to 5,470, as firmer oil prices gave oil stocks such as BP a boost.
After a slow start, the FTSE 100 has made a small gain of 2.7 points, or 0.05%, to 5,467.8, thanks to a surge in mining stocks after a rise in copper prices.