The Worst Mistakes Beginner Traders Make By Elvis Picardo, CFA http://www.investopedia.com/articles/active-trading/013015/worst-mistakes-beginner-traders-make.asp Traders generally buy and sell securities more frequently and hold positions for much shorter periods than investors. Such frequent trading and shorter holding periods can result in mistakes that can wipe out a new trader's investing capital quickly. www.investopedia.com/articles/active-trading/013015/worst-mistakes-beginner-traders-make.asp Here are the 10 worst mistakes made by beginner traders :