Twitter CEO Jack Dorsey has lost nearly $500 million in 2016, as Twitter & Square stocks plummet 

The start of 2016 for the CEO of Twitter and Square Jack Dorsey couldn’t have gotten out to a more dismal start as he’s seen both of his company’s stock prices drop to all-time lows. Within the last 12 days of trading, Dorsey’s losses on both companies have totaled just under $500 million.

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