As Citigroup announces more mass layoffs, find out which companies have fired the most people in 2012.
Citigroup has announced plans slash more than 11,000 jobs or about 4 percent of its global workforce in one of the biggest single layoffs of 2012. Here are the year's other top layoff kings, as compiled by Business Insider.
Have you ever wondered where the tradition of putting up a tree for Christmas came from? Or why we light a menorah for Hanukkah? Find out about the interesting origins of many holiday traditions right here.