SEOUL, July 13 (Reuters) - SK Hynix shares fell as much as 4.4% in early trade on Monday after the world's leading AI memory chipmaker surged 12.8% in its Nasdaq debut on Friday, following a high-profile U.S. listing.

The South Korean memory chip manufacturer raised more than $26 billion by selling American Depositary Receipts priced at $149 each. The stock opened 14% above the offer price at $170 before ending its first trading day with a 12.8% gain.

The benchmark KOSPI was trading down 0.4% as of 0021 GMT.