Hong Kong stocks started the week higher as surging technology shares overcame a slowdown in China’s economic recovery and wider market concerns about the havoc created by retail investors taking on hedge funds in the US.The Hang Seng Index rose 1.9 per cent to 28,822.61 before the lunch break on Monday, after recording its first weekly loss of 2021 last week. The Shanghai Composite Index added 0.1 per cent to 3,486.46.Tech companies, which had dipped in the previous few trading days, led the…