Stuff like this does happen now and again. One example is putting the wrong value in the wrong fields - http://news.bbc.co.uk/2/hi/business/4512962.stm http://

Stuff like this does happen now and again. One example is putting the wrong value in the wrong fields - http://news.bbc.co.uk/2/hi/business/4512962.stm http://news.bbc.co.uk/2/hi/business/4512962.stm In the above case the trader got the price and number of share fields confused.