Sometimes it´s best not to keep your cool. In fact, hotheaded stock investors make better decisions, a study in the Academy of Management Journal showed. Adding emotions to the decision-making process can enhance creativity, engagement and decision efficiency, the researchers wrote in the study. 有時最好還是不要保持冷靜吧。實際上，魯莽的股票投資者們能做出更好的決定?！豆?.