Nike shares jump 5% after Apple CEO Tim Cook doubles personal stake that's now worth $6M

Apple chief Tim Cook bought shares worth about $3 million in Nike, a move that nearly doubled his personal stake in the sportswear maker and signaled confidence in the turnaround strategy laid out by CEO Elliott Hill.Shares of the company surged 5% on Wednesday after a regulatory filing showed that Cook, who has been on Nike’s board since 2005, bought 50,000 shares at $58.97 each.As of Dec. 22, he held about 105,000 shares, according to the filing released on Tuesday. 3 Last week, Nike reported weaker qua ...