** Shares of IGO Ltd IGO.AX fall as much as 8.4% to A$4.9, their lowest level since August 8

** Stock logs its biggest intraday pct loss since July 30

** The lithium producer posts annual net loss after tax of A$955 million ($620.56 million), from a profit of A$3 million reported a year ago

** Co also logs a 37% drop in annual revenue to A$528 million

** Stock up 6.7% this year, including the day's move

($1 = 1.5389 Australian dollars)

(Reporting by Rajasik Mukherjee in Bengaluru)

((Rajasik.Mukherjee@thomsonreuters.com))