European shares open higher on China COVID relief

(Reuters) - European shares rose on Tuesday and were set to extend gains to a third straight session, on hopes that demand from China could be sustained as authorities looked to relax COVID-19 curbs. The pan-European STOXX 600 index rose 0.7% by 0710 GMT, with gains across all major sub-sectors, and led by travel and commodity-linked stocks. The main index had ended flat on Monday as data showing slowing growth in China hit risk sentiment. But sentiment received a boost on Tuesday after Shanghai achieved the long-awaited milestone of three straight days with no new COVID-19 cases outside quarantine zones,…