This may be disappointing news for the tablet-toting software buffs that populate San Francisco, but their hometown is no longer the top tech city in the world, according to a new report. It’s being outranked by an East Coast rival, New York. The northern California metropolis has long held its title, largely thanks to giants like eBay, Netflix, Apple and Fitbit storing their headquarters there. But its high cost of co-working is sending firms and their talent eastward, notes a study from the commercial real estate agency Savills. Manhattan and Brooklyn already have their fair share of big names in...