U.S. investigations of the Boeing Co. (NYSE: BA) 787 Dreamliner focus on its main battery. (Reuters)

Intel Corp. (NASDAQ: INTC) offers a weak outlook for future quarters. (Reuters)

China’s gross domestic product grows at 7.9% in the fourth quarter, which was better than expected. (Reuters)

China reports that income inequality has improved but still remains a major problem. (Reuters)

AT&T Inc. (NYSE: T) could have a pension fund charge as high as $10 billion. (Reuters)

Emails may be key to a case brought over the antipoaching agreements among Apple Inc. (NASDAQ: AAPL), Google Inc. (NASDAQ: GOOG) and Intel. (Reuters)

The buyout industry could benefit from new deal flow if a Dell Inc. (NASDAQ: DELL) effort to go private works. (WSJ)

Liberty Media Corp. (NASDAQ: LMCAD) pushes its ownership of Sirius XM Radio Inc. (NASDAQ: SIRI) above 50%. (WSJ)

Wells Fargo & Co. (NYSE: WFC) will start an aircraft leasing business. (WSJ)

A Wall Street Journal/NBC News poll shows that Americans are pessimistic about the economy. (WSJ)

Boeing gave the FAA data on the safety of its batteries before the agency approved the plane for service. (WSJ)

General Electric’s (NYSE: GE) financial operations are expected to be more than half of earnings when it announces 2012 results. (WSJ)

HerbaLife Ltd. (NYSE: HLF) says fourth-quarter numbers were above expectations. (WSJ)

Amazon.com Inc. (NASDAQ: AAPL) launches a new music service aimed at Apple. (WSJ)

Christine LaGarde, head of the International Monetary Fund, says the global recovery remains shaky. (NYT)

In 2012, China recorded its slowest growth in 13 years. (FT)

Earnings from Citigroup Inc. (NYSE: C) and Bank of America Corp. (NYSE: BAC) raise concerns they have not fully recovered from the credit crisis. (FT)

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