SHANGHAI (AFX-ASIA) – Oil and petrochemical counters have been moving higher following the government’s move to raise gasoline prices April 1. The listed petrochemical firms involved in oil refining, China Petroleum & Chemical Corp’s (Sinopec) (HK 0386; SHA 600028; NYSE SNP) and Sinopec Shanghai Petrochemical Co Ltd’s (SHA 600688; HK 0338; NYSE SHI) all moved…