Century Enka shares hit the 10 per cent upper circuit to Rs 132.85 on a five-fold increase in net profit. Its net profit went up to Rs 28.35 crore in the June quarter, while net sales came down by 11 per cent to around Rs 308 crore in the same period. A decrease in raw material costs also helped the company. The stock opened at Rs 121 and made an intraday high of Rs 132.85 and a low of Rs 119.5. At Rs 132.85, the stock touched its 52-week high with trading volumes of 1.11 lakh shares.