Big Tech Goes From Stock Market’s Safest Bet to Biggest Question

(Bloomberg) — For most of the past decade, a handful of high-flying technology companies have pushed the US stock market to record highs and become cornerstones of investment portfolios. But that’s collapsed this year.Most Read from BloombergAs Coastline Erodes, One California City Considers ‘Retreat Now’How a Highway Became San Francisco’s Newest ParkMaryland’s Credit Rating Gets Downgraded as Governor Blames Trump America, ‘Nation of Porches’Power-Hungry Data Centers Are Warming Homes in theRead More