The only thing thinner than Apple $AAPL’s new iPhone is the air above its stock chart. Apple’s valuation is hovering around $3.86 trillion, putting $4 trillion trillion squarely in sight as investors price in a hotter iPhone cycle, a services cash machine, and the most dependable buyback in corporate history. The number may feel absurd on its face, but Apple’s route there doesn’t — it’s the company’s old playbook executed with unnerving consistency.
