KEY POINTS
  • Traffic acquisition costs as a percent of advertising revenue came in at 23 percent, matching analyst estimates and falling right in line with previous quarters.
  • Meanwhile, Google continues to grow its "other revenues" segment, which includes its cloud business and hardware sales.
  • Alphabet's "Other Bets" category, which houses Alphabet's other companies, like health venture Verily and self-driving start-up Waymo, came in shy of revenue estimates. 

Alphabet reported fourth-quarter results Monday that beat expectations across the board. Still, the stock fell 3 percent in extended trading, on continuing pressure on advertising prices and decreasing margins.

Here's how the company did compared with Wall Street estimates: