Research In Motion (RIMM +2.5%) shares rise amid news China Unicom (CHU +1.7%) launched internet...

|By:, SA News Editor

Research In Motion (RIMM +2.5%) shares rise amid news China Unicom (CHU +1.7%) launched internet service for BlackBerry users. The gain comes despite an MKM report pointing to channel checks which note "abnormally" high warranty returns at Verizon for BlackBerry 7 models; many are said to lock up right out of the box and need immediate replacement.