Shares of state-owned EPC firm PT Wijaya Karya Tbk (WIKA) slipped 1% in the morning session Wednesday (Sept 20) as some investors were disappointed by weaker margins in the second quarter. This makes WIKA among top losers this year (losing 20%), even though still better than PT Pembangunan Perumahan Tbk (PTPP), which already lost 30% year-to-date.To subscribe please click here