News roundup: Foreign grip on Treasurys loosens as US investors step up buying … Airlines lower fares to offset bag fees, but still make a profit … Only 11% of new Twitter users in 2012 are still tweeting, report says


    Bringing it all back home: Overseas creditors such as China and Japan enabled the U.S. to spend its way out of the recession as they gobbled up 80% of the nation's Treasurys. Now, their holdings are d…

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