Why Alphabet Rallied This Week

Shares of search giant Alphabet (GOOG -0.32%) (GOOGL -0.31%) rallied this week, up as much as 10.1% on Thursday before retreating to 9.2% gain on the week as of 1 p.m. ET Friday, according to data from S&P Global Market Intelligence.That's a big move for a company as big as Alphabet that didn't report any financial results. But the search giant unveiled several positive bits of news on the technology front this week.Alphabet retakes the cutting edgeOn Monday, Alphabet published a blog post about the company ...