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Earnings roundup: Dish, Garmin

Among the earnings stories for Wednesday, Feb. 20, from The Associated Press:

— Satellite TV broadcaster Dish Network Corp. said net income dropped by a third in the fourth quarter, as it kept prices steady.

— Garmin Ltd. shares tumbled to a year low after the navigation device maker announced lower-than-expected fourth-quarter results and a weak 2013 outlook, pointing to the continued industrywide decline in demand for automotive and hand-held navigation devices.

— Shares of Leap Wireless International Inc. fell after the cellphone carrier reported lower-than-expected fourth-quarter revenue and a net loss of subscribers.

— Sonic Automotive Inc.'s fiscal fourth-quarter profit increased nearly 50 percent as the automotive retailer's sales improved.

— DTE Energy Co. said fourth-quarter profit shrank as the utility was weighed down by one-time charges

— Utility company Ameren Corp. moved to a loss in its fourth quarter as it dealt with hefty impairment charges.