Analysts jittery about Google despite higher revenue

San Francisco

IF YOU wanted to sum up the technology industry's flurry of recent earnings reports, the following would suffice: more mobile, more video. So it was with Google, but it has come at a cost.

During its first-quarter earnings call on Thursday, Google tried to assuage analysts' long-running concern that its growth is slowing because mobile phones are a less lucrative advertising medium than the desktop computers with which the Google empire was built.

In doing so, Patrick Pichette, the company's chief financial officer, who is leaving, noted that Google's YouTube video site has been growing fast but for now is simply a less lucrative …