keywords: psa csx flagship port shing
text: PSA seen as leading race to buy CSX port assets Singapore-based PSA International is leading a pack of shipping giants, which includes tycoon Li Ka-shing #39;s flagship Hutchison Whampoa, that are prepared to shell out upward of US\$1 billion (HK\$7.8 billion) to buy CSX World Terminals #39; port assets 