Trump Win Is Silicon Valley's Loss on Immigration

U.S. technology companies large and small rely on immigrants. Now after arguing for years without much success for the government to relax limits on skilled foreign tech workers, the political winds are blowing in the opposite direction.

It is clear Silicon Valley is a mini-nation of immigrants. More than half of U.S. tech startups valued at $1 billion or more have at least one immigrant founder, according to an analysis this year by the National Foundation for American Policy, an immigration research group. Two of the three largest companies in the world by market cap are led by immigrants to the United States -- Microsoft Corp. CEO Satya Nadella and Sundar Pichai, the CEO of Google.1478700089475 In two Silicon Valley counties, about two-thirds of people working in computing and mathematics fields are foreign-born, according to a study by research firm Joint Venture Silicon Valley using 2014 U.S. government data.