** Shares of Big River Industries BRI.AX fall as much as 5.4% to A$1.220, their lowest levels since April 2020

** The building products manufacturer reports HY loss attributable of A$17 million ($10.78 million), versus a profit of A$7.1 million last year

** Co declares interim dividend of 2 Australian cents per share vs 5.5 Australian cents declared last year

** Stock down 3.8% YTD, including current session's moves

($1 = 1.5770 Australian dollars)

(Reporting by Manasi Dasa Sundeep in Bengaluru)

((Manasi.DasaSundeep@thomsonreuters.com;))