Alphabet (GOOGL 1.70%) (GOOG 1.52%) stock is closing out the week's trading with another round of solid gains. The company's share price was up 1.6% as of 3:20 p.m. ET Friday and had been up as much as 4.3% earlier in the session.Alphabet published its first-quarter results after the market closed yesterday and delivered sales and earnings for the period that came in ahead of the average Wall Street targets. The business posted non-GAAP (adjusted) earnings per share of $2.81 on sales of$90.23 billion, topp ...