据港交所文件，汇丰控股(00005.HK)于5月21日耗资1.522亿港元回购了160万股股份，并耗资3280万英镑在其他交易所回购了总计370万股股份。

Group 1 - HSBC Holdings repurchased 1.522 billion HKD worth of shares on May 21, acquiring a total of 1.6 million shares [1] - The company also spent 32.8 million GBP to repurchase a total of 3.7 million shares on other exchanges [1]