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.
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.
Rival mobile phone company
was up 4.4% in preopen