By Georgina Lee HONG KONG, Nov 25 (Reuters) – China’s yuan weakened on Friday, as a continuous surge in Covid cases has rekindled traders’ concern about the slowing economy, and doubts about whether more monetary easing policies could achieve its goal of stimulating growth. China has reported another record high of new local Covid-19 cases on Thursday, totalling 32,695, as cities across the country enforce measures and curbs to control outbreaks. Thursday’s new cases set a daily record for a second consecutive day. “The risk into the winter months is indeed of greater social restrictions and related economic disruptions. The developments have been holding back the yuan amid the US dollar retreat of recent days,” said Alvin Tan, head of Asia currency strategy at RBC Capital Markets. The spot yuan opened at 7.1650 per dollar and was changing hands at 7.1585 at midday, 45 pips weaker than the previous late session close and 0.34% away…