https://www.reuters.com/article/us-grab-m-a-altimeter-capital-spac/southeast-asias-grab-in-talks-for-u-s-listing-via-40-billion-spac-deal-sources-idUSKBN2B32RX >Southeast Asia's biggest ride-hailing and food delivery firm Grab Holdings is in talks to go public through a merger with a U.S. special purpose acquisition company that could value it at nearly $40 billion, people familiar with the matter said.