Apple Inc. (NASDAQ:AAPL) shares are having a good day after the company announced earnings yesterday which impressed investors and analysts. Shares regained the $100 mark and are now up a strong 7.5 percent to $97 or so a share at the time of this writing. So what was the good news for the tech giant? Some analysts noted gross margins, others iphone sales, others iPADS, growth in emerging markets, among other reasons. Below we offer a sampling of what analysts are saying about the numbers. AAPL – analysts react Credit Suisse Jul–Sep guidance: The revenue guidance range is $45.5bn to $47.5bn…