JD.com's HK shares fall most in six weeks on logistics unit stake dilution

** Hong Kong shares of Chinese e-commerce firm JD.com Inc fall 3.8% to HK$275.60, marking their biggest intraday percentage decline since May 11

** Stock is set to snap two straight sessions of gains and is the fourth-biggest percentage decliner in the Hang Seng Tech Index

** JD.com says its unit JD Logistics has issued an additional 91.37 mln shares at HK$40.36 each to cover an over-allotment option in its Hong Kong IPO, raising a further HK$3.63 bln ($467.5 mln) in net proceeds to upgrade and expand logistics networks ()

** Says its stake in JD Logistics is diluted to 63.46% after the deal, from 64.42%

** Shares of JD Logistics fall 3.3% to HK$40.50, their lowest since May 31

** The Hong Kong Hang Seng Commerce & Industry Index slides 0.7%, and the Hang Seng Tech Index falls 1.6%

** The Hang Seng China enterprises index slips 1.1%, and the benchmark index drops 1.4%