Source - SMW
UK stocks opened stronger on Tuesday after bumper results from BP and Ryanair lifted the energy and aviation sectors. 

At 0856, the benchmark FTSE 100 index was up 26.70 points, or 0.4%, at 7,514.51.

BP added 3.3% after it beat expectations with a doubling of third-quarter profit and relaunched a share buyback programme. Fellow oil giant Royal Dutch Shell gained 0.9%.

Ryanair jumped 4.9% after boosting first-half profits by 11%. Investors, however, were more impressed by the airline's decision to keep its full-year guidance intact, despite a staffing debacle in September triggering thousands of flight cancellations. Easyjet gained 2.3%.

Advertising giant WPP slipped 0.9% after it reported a 2% slide in third-quarter like-for-like revenue. 

Investors feasted on Just Eat shares were flat, pushing them 3.4% higher, after the food delivery company increasing its full-year revenue guidance.

Packaging company DS Smith was also faring well after announcing its return on capital was at the upper end of expectations. Its shares added 2.1%

Weir Group, however, shed 5.9%, after the engineering firm announced a profit downgrade. 

Croda International expressed confidence in its full-year expectations amid 4.4% growth in third-quarter revenue. Its shares added 4%.

Egdon Resources, meanwhile, dropped 3% after the energy group booked another annual loss, albeit narrower than last year's.