Several Taiwan-based manufacturers of polyester or nylon textured yarn that are listed on the country's stock exchange today reported increases in their October revenues. Of the six companies that announced their results, only Hong Yi Fiber Industrial Co Ltd. saw its October revenue fall as it revealed its income of NT$123 million was eight per cent down on September's figures. It's revenue of NT$1.467 billion for the January-October period of this year also slipped three per cent compared to the same 10 month period of last year.