** Canadian gold producer’s shares fall as much as 6.2 pct to C$16.07, their biggest intraday pct drop in 4 months
** World’s fourth largest gold producer posts lower-than-expected Q2 production
** Production disappointed most at Red Lake and Eleonore projects in Canada - TD Securities
** Chief Financial Officer Russell Ball to step down
** More than 4 mln shares traded, nearly 2x their 30-day avg
** Stock down ~29 pct over the last 12 months, as of Wednesday’s close