Upbeat: For Alphabet, search traffic on mobiles surpassed desktop traffic worldwide for the first time, while Amazon was able to boost margins, an area of concern, as its cloud business boomed.
Google parent Alphabet Inc and e-commerce giant Amazon.com Inc capped a blockbuster June quarter for the five biggest US tech companies as their dominance in key markets helped them defy the "law of large numbers".
Apple Inc, Microsoft Corp and Facebook Inc, as well as Alphabet and Amazon, all blew past Wall Street expectations for both profit and revenue.
