Maybe Tim Cook should blame the iPhone 7’s three-year-old design for declining sales

Apple on Tuesday afternoon reported fiscal second-quarter earnings that were largely in line with expectations. Revenue climbed to $52.9 billion from $50.2 billion in the year-ago quarter, and net profit came in at $11 billion. Second-quarter guidance that missed analysts’ consensus estimate was largely responsible for driving Apple shares down in after-hours trading, but another troubling line item offered some cause for concern: Sales of the iPhone, Apple’s chief mo