Taiwanese PC maker Acer Inc reported worse-than-expected quarterly loss on Friday as the companys weak position in a stagnating market continued to weigh on its prospects. For the fourth quarter, the worlds No.4 PC vendor reported a net loss of T$7.6 billion ($254 million), compared to expectations of a T$3.69 billion loss according to Thomson Reuters I/B/E/S. The company had posted a worse-than-expected net loss of T$13.12 billion ($446 million) in the third quarter and a T$3.37 billion ($112.31 million) loss in the same quarter of 2012.