Singapore Hot Stocks

SINGAPORE, Dec 21 (Reuters) - Shares of Yangzijiang Shipbuilding rose as much as 5.4 percent to S$1.95 with 15.8 million shares traded after the Chinese shipbuilder said it's unit has signed a preliminary contract with Cosco Container Lines to build 20 vessels worth $1.36 billion.

The ships are expected to be delivered between August 2011 and June 2012.

0601 GMT - Straits Times Index up 1.58 percent.

SWIBER UP ON CONTRACT EXTENSION

Swiber Holdings rose as much as 5.16 percent to S$3.26 with 610,000 shares traded after the offshore oil services firm said it has received a contract extension from Brunei Shell Petroleum.

The estimated value of the original agreement and contract extension, which involves transporting and installing offshore facilities in Brunei, is around $200 million.

0139 GMT - Straits Times Index up 0.51 percent.