** Shares of Cathay Pacific Airways 0293.HK drop as much as 9.1% to HK$10.92, their lowest level since July 7

** Stock last down 6.4% at HK$11.24/shr

** Hong Kong flagship carrier on Wednesday ordered 14 more Boeing BA.N 777-9 jets and reported a 1% increase in first-half profit on the back of growing passenger numbers, lower fuel prices and a steady cargo performance

** Underperforms Hang Seng Commerce & Industry Index .HSNC, which is up 0.2%, benchmark Hang Seng Index .HSI, which adds 0.03%

** YTD, stock up 16.4% vs HSNC up 23.6%, HSI up 24.2%

(Reporting by Donny Kwok)

((donny.kwok@thomsonreuters.com))