<-bsp-bb-link state="{"bbHref":"bbg://securities/5%20HK%20Equity","_id":"0000018f-2e56-d4b6-a98f-ff7790890000","_type":"0000016b-944a-dc2b-ab6b-d57ba1cc0000"}">HSBC Holdings Plc-bsp-bb-link>’s Chief Executive Officer <-bsp-person state="{"_id":"0000018f-2e56-d4b6-a98f-ff7790890001","_type":"00000160-6f41-dae1-adf0-6ff519590003"}">Noel Quinn-bsp-person> is stepping down, an unexpected move that comes as Europe’s largest lender tries to navigate the deterioration of ties between <-rte-company state="{"_id":"0000018f-2e56-d4b6-a98f-ff7790890002","_type":"00000160-4b23-d8bd-adfd-4b3348fd0000"}">China-rte-company> and the US.