Global stocks and oil prices slipped on Monday as a spike in COVID-19 cases and newly recorded deaths in China prompted authorities in the world's second-largest economy to reinstate lockdowns, triggering worries over the impact on the economy. Beijing's most populous district urged residents to stay at home on Monday as the city's COVID case numbers rose, while at least one district in Guangzhou was locked down for five days. "It looked like zero COVID was moving in the right direction and everyone was excited but the Chinese government is taking some strong action and in the short term there's…