Uniqlo operator Fast Retailing posted a record first-quarter profit on Thursday and kept its yearly forecast unchanged, even as business in the key market of mainland China was hit by virus restrictions. The Japanese casualwear behemoth said better-than-expected sales and profit in the three months to December could largely be explained by the “growing diversification” of its business. While it does not expect the spread of the highly contagious Omicron coronavirus variant to dent overall performance in 2021-22, the company sounded a note of caution over the unpredictable impact of the pandemic. “We expect to achieve our initial estimates, though we have difficulties involved in attempting to predict the future situation due to the global spread of COVID-19,” it said in a statement. Net profit for the first quarter jumped 33 per cent on-year to 93.6 billion yen (€721 million) marking its best ever first quarter, Fast Retailing said, as business in many parts of the world rebounded from virus lockdowns. However, revenue and profit declines were seen in mainland China, which is pursuing a strict “zero-COVID” strategy and has imposed tough localised restrictions in recent...