HD Hyundai Infracore (KRX:042670) posted second-quarter net income attributable to shareholders of 27.4 billion won, down 56.6% from 63.1 billion won a year earlier.

Sales rose 6.9% year over year to 1.184 trillion won from 1.108 trillion won, according to a Wednesday filing with the Korea Exchange.

Shares of the South Korean construction equipment maker jumped nearly 19% at market close.