Key Takeaways KEX has approved a stock repurchase authorization of up to an additional $8 million shares of common stock.KEX's CEO says the move reflects confidence in earnings power and strong free cash flow generation.Such shareholder-friendly moves boost investor confidence and positively impact the stock's bottom line.In a shareholder-friendly move, Kirby Corporation (KEX) board of directors has announced a stock repurchase authorization of up to an additional$8 million shares of common stock. With thi ...