Stock Exchange Prices Grow So Convoluted Even Traders Are Confused, Study Finds New research found bourses make small tweaks to their prices, influencing trade in ways hard for even sophisticated investors to understand.Read more http://www.nytimes.com/2016/03/02/business/dealbook/stock-exchange-prices-grow-so-convoluted-even-traders-are-confused-study-finds.html?partner=rssnyt&emc=rss