Google remains dominant as company reports quarterly profits of $20bn

• Fourth-quarter revenues of $75.3bn for parent firm Alphabet
• Big tech faces growing scrutiny over digital ad dominance

Google's parent company, Alphabet, ended 2021 on another high note, reporting better than expected results in a year when it nearly doubled profits despite growing regulatory scrutiny of its business.

The company reported revenues of $75.3bn for the three months ending 31 December, up 32% compared to last year, and a profit of $20.6bn, comfortably beating analysts' expectations. Alphabet's shares rose close to 7% in after-hours trading.