A critical metric for Alphabet’s success is suddenly showing signs of life

Alphabet delivered a knockout quarter today, handily beating the estimates from Wall Street — but, perhaps more importantly, showing actual growth in a critical metric that has seen a consistent decline for quite some time. Google’s cost-per-click — a metric that helps define how valuable its ads are — grew 1% quarter-over-quarter this year. While still down 18% year-over-year, that tiny nudge