BEIJING (Reuters) – Growth in China’s factory activity slowed in January as a resurgence of COVID-19 cases and tough lockdowns hit production and demand, but the slight expansion offered some signs of resilience as the world’s second-largest economy enters a likely bumpy new year. The official manufacturing Purchasing Manager’s Index (PMI) registered 50.1 in January, remaining above the 50-point mark that separates growth from contraction, but slowing from 50.3 in December, data from the National Bureau of Statistics (NBS) showed on Sunday. Analysts had expected the PMI to fall to 50. The offi…