FTSE virtually unchanged at end of week

The FTSE 100 closed the day up 10 points or 0.19% to 5,362.3 as BP gained 1.5p or 0.24% to 622p after it agreed to sell its Innovene petrochemicals unit to Ineos Group Holdings, a UK chemical maker for $9bn in cash. Cable & Wireless, Britain's second-largest phone company, tumbled the most in almost three years and eventually closed down 20p or 14% to 121.75p after saying first-half sales dropped. Cable & Wireless had earlier slumped 16% to 118.5p, its steepest drop in 34 months as the company said first-half UK revenue declined 6% to £765m from a year ago because of a drop in retail-s...