UK shares bag gains after delayed stock market open

(Reuters) - UK shares rebounded on Friday after the London Stock Exchange's longest outage in years, with more stimulus plans from China bolstering the blue-chips and increased optimism about Britain avoiding a disruptive no-deal Brexit lifting the mid-caps.The main index rose 0.7% with all sectors in the black, while the FTSE 250 index outperformed with a 1% rise owing to gains in the local currency. Both indexes recouped some of the steep declines suffered in the last two sessions. The..