Google parent struggles with mobile clicks, YouTube changes, shares down 7%

Alphabet Chief Financial Officer Ruth Porat told analysts the company was experimenting with its ad products as users grow reliant on mobile devices and that it was seeing revenue volatility as a result.Sales of Google's Pixel phones also struggled amid intense competition in the premium smartphone market, she said.Alphabet said its quarterly revenue rose 17 percent from a year ago to $36.3 billion, compared with Wall Street’s average estimate of $37.3 billion, according to IBES data from