Motorola (MOT) was up 4.3% in preopen Instinet trading. The mobile phone maker and semiconductor company is due to report earnings after the close. The Thomson Financial/First Call estimate is for a loss of 7 cents per share vs. a profit of 24 cents a year ago.

Morgan Stanley

raised its rating on the stock to strong buy Monday, citing valuation. The stock was pummeled Friday on concerns about the company's credit quality.

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Ericsson

(ERICY)

was up 4.4% in preopen

Island

trading.