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Nike

shares rose 3% in premarket trading Wednesday after insiders picked up the stock near the end of a rough year.

CEO Tim Cook, who serves as a director at the athletic apparel maker, added around 50,000 Nike shares, an approximately 90% increase in his stake, according to financial data provider Verity.

Fellow board member Robert Holmes Swan added roughly 8,700 shares, per Verity. That marked a 24% expansion to the former eBay