Announcing the first quarterly results after achieving the $1-trillion valuation milestone, Apple (AAPL) reported record earnings for the fourth quarter amidst strong revenue growth. Meanwhile, the market responded negatively to the stagnant demand for iPhone, the company’s flagship product, and weak guidance for the first quarter. The stock plunged about 7% Thursday following the announcement. … Continue reading Apple Q4 results beat estimates; stock falls on weak iPhone sales, guidance