Google beat revenue targets but didn't ease Wall Street's biggest worries (GOOG, GOOGL)

Google's revenue was slightly stronger than expected during Q1. The fees Google pays to partner web sites, known as TAC, continued to increase as a percentage of revenue. Analysts on the conference call focused on regulatory risks and spending. Google-parent company Alphabet  topped Wall Street targets with 23% revenue growth in Q1, but the better-than-expected performance was not enough to allay worries about rising expenses and the most significant risks of a regulatory clampdown the...