港股低价油气股高开，吉星新能源(03395.HK)涨近15%，延长石油国际(00346.HK)涨超11%，百勤油服(02178.HK)涨超13%。

Group 1 - Hong Kong low-priced oil and gas stocks opened higher, with Jixing New Energy (03395.HK) rising nearly 15% [1] - Extended Petroleum International (00346.HK) increased by over 11% [1] - Baikin Oil Services (02178.HK) saw a rise of over 13% [1]