Macquarie Infrastructure - Do you look for a stable stock?

Macquarie Infrastructure - Do you look for a stable stock?
http://www.macquarie.com/mgl/mkif/kr
http://dart.fss.or.kr/dsaf001/main.do?rcpNo=20110531000053

Macquarie Korea Infrastructure Fund (MKIF) is a private infrastructure fund and the largest infrastructure fund in Korea that comprises of infrastructure assets.

The portfolio consists of the constructing and operating infrastructures such as toll roads, bridges, and tunnels. The purpose of MKIF is to make profits and distribute profits to shareholders. If you look at the MKIF chart below, dosen't it seem like it is a bit different from other stocks' chart?

The stock price, which has decreased from the offering price, now draws a constant  right-upward graph after finished a boring sideway drifting period. The reason why MKIF is steadily popular is that MKIF can hedge the inflation throughout the private infra fee that reflects the annual inflation rate.

This is the portfolio of MKIF.

http://www.macquarie.com/mgl/mkif/kr/about-mkif/investment-portfolio

MKIF distributes profits from investing in and operating the above assets. The dividend rate is 5.6% - 5.9%.