Shares of global technology companies are outpacing other sectors this year by the widest margin since the height of the dot-com era, with a handful of key players dictating how markets are performing around the world. Just eight companies—Facebook Inc., Apple Inc., Amazon.com Inc., Netflix Inc., Alphabet Inc., Baidu Inc., Alibaba Group Holding and Tencent Holdings Ltd.—have increased by $1.4 trillion in market cap in 2017, a sum roughly equivalent to the combined annual GDP of Spain and Portugal.

Source: Wall Street Journal November 21, 2017 10:30 UTC