Tesla is upgraded to 'buy,' and Bed Bath & Beyond is downgraded to 'hold.'
LinkedIn is initiated with a 'buy,' and Nokia is upgraded to 'buy.'
Dendreon is upgraded to 'outperform,' and Aeropostale is downgraded to 'neutral.'
These companies are especially vulnerable in this volatile market.
If you look at the list of companies that fared the best over the final month of 2012, you'll find a number of them are technology and internet related.
Stocks are mixed as disappointing manufacturing data for November offsets earlier gains.
Stocks are lower as negotiations in Washington continue to dominate headlines and move the market.
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