** Graincorp falls as much as 4.5% to A$8.45, its largest intraday loss since early May

** Stock second-biggest loser on the benchmark ASX 200 index

** Shares hit lowest since Aug. 28 ** Agribusiness firm posts annual net profit after tax of A$62 mln ($40.21 mln), a 75.2% drop compared with A$250 mln last year ** Attributes narrowing profit to mixed growing conditions in Australia and challenging operating environment

** Stock up 18.1% YTD, including current session's moves

($1 = 1.5418 Australian dollars)

(Reporting by Nikita Maria Jino in Bengaluru) ((mailto:Nikita.Jino@thomsonreuters.com;))