Sony Ericsson is the biggest gainer this month with a jump of 11 positions. The firm has reported a decline in the number of units shipped last quarter but its announcement to join the Open Handset Alliance has helped it to improve its profile with the analysts. Vodafone, which has been holding trials to improve its mobile broadband services based on the HSPA+ technology has also moved up 4 positions and is now ranked 10th. Qwest is the only new firm in the top 25 this month replacing 3Com which dropped to 26th position. The firm has reported a huge decline of 77% in its net income for the year 2008 and it would be interesting to see if the firm manages to stay in the top 25 in the coming months.
This biggest decline this month is in the ranking of Extreme Networks. The firm has dropped by 12 positions and is now ranked at the 55th spot. It has started to ship its new Summit X650 10 Gigabit switch and appears set to regain lost ground in the coming months. Enterasys has also dropped by 7 positions and is now ranked 42. 3Com is the only firm to have dropped out of the top 25 this month.
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