At the final bell in Kuala Lumpur shares were worth MYR 2.65($0.84) apiece, 6% up on the opening price of MYR 2.50.
The company was the most actively traded on the BursaMalaysia with more than 200 million units changing hands.
Westports raised just over MYR 2bn ($644m) from its IPO,making it Malaysia’s second-biggest this year.
Li Ka-Shing’s Hutchison Port Holdings is a major shareholderWestports which controls Malaysia’s busiest container terminal, Port Klang.
