Google parent company Alphabet on Tuesday reported its fourth-quarter results, with both profit and revenues trouncing Wall Street estimates, driven by increased ad spending and cloud revenues. The company also announced a 20-for-1 stock split. Alphabet reported a fourth-quarter profit of 20.64 billion dollars, a jump from last year’s profit of 15.23 billion dollars. Revenues for the quarter surged 32 per cent to 75.33 billion dollars from 56.90 billion dollars last year. Google advertising revenues surged to 61.24 billion dollars from 46.20 billion dollars last year, as YouTube ad and Google …