Apple stock was up in premarket trading after the iPhone maker posted first-quarter earnings results that beat expectations.

Apple reported $18.5 billion in sales in greater China last quarter, comfortably below consensus estimates of $20.9 billion.

Apple stock lifted following guidance for the current quarter after the company reported a drop in ​iPhone and China sales.

Alphabet Inc.'s strong Q3 results and leadership in digital advertising, AI, and cloud position it for double-digit earnings ...