Apple's (AAPL) share of the U.S. smartphone market surged in Q4, jumping from 26% to 43%, mostly...

|About: Apple Inc. (AAPL)|By:, SA News Editor

Apple's (AAPL) share of the U.S. smartphone market surged in Q4, jumping from 26% to 43%, mostly at the expense of Android (GOOG), which slipped from 60% to 47%. Blackberry (RIMM) continues its slide, hitting 6% compared to 8% in Q3 and 19% a year earlier.