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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.
Decorating your home for the holidays brightens the season. But those lights need power, and you may notice a difference in your electricity bill.