Sports shoe giants Pou Chen Corp and Feng Tay Enterprises Co Ltd, who produce athletic shoes for some of the world's biggest sports firms, on Monday posted sharply contrasting results for the first five months of the year. Pou Chen saw its revenue fall one per cent in the January-May period to NT$4.3 billion versus the year-ago period, while Feng Tay, which supplies Nike, enjoyed a 21.1 per cent climb in revenue to NT$3.8bn.