With just 20 lots of shorting Wilmar, the stock tanked intraday and $2000 was made. It's not about how big or how small you trade but rather it's the direction that is important. STI was moving up as predicted yesterday and earlier this morning but why did Wilmar not performing?
http://stockmarketmindgames.blogspot.sg/2016/08/singapore-straits-times-index-rebound.html
I believe they are expecting a loss in Q3 and the stock is prepping for the loss before the actual news.
picture source and news: http://www.ft.com/fastft/2016/08/02/adm-expects-50m-loss-in-q3/
Ronald K - Market Psychologist - A Stock Market Opportunist