16:37 EDT Columbia Sportswear (COLM) board approves $600M increase to buyback authorization Published first on TheFly – the ultimate source for real-time, market-moving breaking financial news. Try Now>> See today’s best-performing stocks on TipRanks >> Read More on COLM: Columbia Sportswear Faces Sales Dip, Boosts Share Repurchase COLM Earnings Report this Week: Is It a Buy, Ahead of Earnings? Seaport Research footwear/apparel analyst holds analyst/industry conference call