MMC Port Holdings has hired CIMB and Maybank to work on an initial public offering (IPO) in Malaysia that could raise more than $1.34B, two sources with knowledge of the matter said.RHB and UBS have also been asked to help prepare the IPO, two further sources said.The IPO, which would be Malaysia's biggest in more than a decade, was expected to take place either in the second half of this year, or in 2026…