** Shares of Big River Industries BRI.AX fall as much as 2.8% to A$1.435, hitting their lowest level since September 18

** Stock logs largest intraday loss since September 9

** Timber and building products reports group sales declined around 4.9% so far this year till Sept-end

** Says residential activity in New Zealand, New South Wales and Victoria remained subdued

** Adds, commercial segment affected by heavy East Coast rainfall in August

** Also says residential market to remain soft through early FY26, with modest recovery expected later in the year

** Stock up 9.2% YTD, including the day's moves

(Reporting by Nikita Maria Jino in Bengaluru)

((Nikita.Jino@thomsonreuters.com;))