[China Telecom up nearly 20pct in Shanghai debut] Shares in China Telecom surged nearly 20 percent in their Shanghai debut Friday after the world’s biggest public offering of the year, coming after the company was delisted in the United States amid China-US tensions. China’s biggest fixed-line operator raised $7.3 billion in its share sale, making it the biggest of 2021, topping the $5.4 billion raised in Hong Kong by TikTok rival Kuaishou Technology in February. And the firm said it could raise a further $1.1 billion if an over-allotment option was exercised. China Telecom’s offer price was set at 4.53...