According to new data from The NPD Group, Apple was the top smartphone manufacturer by market share in the U.S. in the second quarter of 2012. Apple led the market with a 31 percent share, followed by Samsung with 24 percent, HTC with 15 percent, Motorola with 12 percent, and LG with 6 percent. Interestingly, year-over-year growth in the post-paid market was basically flat in the quarter, while pre-paid smartphone volume rose 91 percent compared to…
