The New World Alliance will tweak the rotation of three of its transpacific services in the next two weeks, according to an advisory from NWA member MOL. The rotation changes affect the alliance’s PS1, PS2, and SAX services, which are all predominantly operated by NWA member APL. The PS1 service will drop a call in Singapore, and add a call at Kaohsiung. The revised rotation, as of Dec. 13, will be Chiwan, Yantian, Hong Kong, Xiamen, Busan, Seattle, Vancouver, Yokohama...