** HK shares of HSBC Holdings 0005.HK fall 3% to HK$124.1; set for biggest one-day pct decline since March 13
** Stock falls to lowest since March 16; third-biggest pct loser on Hang Seng Finance Index .HSNF, which is down 1.1%
** HSBC HSBA.L is weighing deep job cuts over coming years that could ultimately impact ~20,000 roles, or ~10% of its total workforce, Bloomberg News reports, citing people familiar with the matter
** HSBC did not immediately respond to Reuters' request for comment
** YTD, HK stock up 2.3%
(Reporting by Donny Kwok)
((donny.kwok@thomsonreuters.com))