Стартап оценили в $7,6 млрд.techcrunch.comFree stock trading app Robinhood raises $323M at $7.6B valuationRobinhood, the popular free stock trading app, this morning announced a massive $323 million round led by DST Global. The Series E financing values the Menlo Park-headquartered business at $7.6 billion, up from its Series D valuation of more than $5 billion. Ribbit Capital, NEA, Sequoia and Thrive …