Informal retail checks from Baird's William Power find the iPhone 4S is still the top-selling...

|By:, SA News Editor
Informal retail checks from Baird's William Power find the iPhone 4S is still the top-selling device among the U.S. carriers who offer it (in spite of Q1's sales declines), reinforcing his bullish stance on Apple (AAPL -2.6%). However, he adds Nokia's (NOK) Lumia 900 is still being heavily promoted by AT&T (T), and many company reps own the device (perhaps because Nokia is paying them to).