Stricter lending requirements have led to a marked improvement in the bank's credit quality.
The new year may be tougher for the chip maker after a solid 2011.
A spike in oil prices due to Iran's threats could divert traffic from trucks, but higher fuel costs would pressure railroad margins.
The stock plunges despite the company's high subscriber growth, indicating the market believes the future is highly uncertain.
With stricter environmental regulations in the U.S. and signs of a slowdown in China, coal's importance to freight carriers will likely decline.
The company's generics business is poised to grow after it recorded revenue of nearly $10 billion in 2010.
Major oil producers saw output reduced because of the natural decline in production fields, asset sales and political issues.
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MONEY & POLITICS
Breaking up big banks is an untested solution to the too big to fail problem that attempts to isolate and dismantle large, troubled institutions while protecting the rest of the economy.
The IRS is struggling to combat identify thieves who file fraudulent tax returns in the names of older residents who don't need to file.