Will SK hynix's Nasdaq debut save troubled won?

South Korean chipmaker SK hynix's planned listing of American depositary receipts in the US could strengthen the ailing Korean won, which recently slid to its weakest level in 17 years against the dollar, providing a rare source of dollar inflows.

The chipmaker plans to list its ADRs on the Nasdaq on July 10, aiming to raise as much as $30 billion in what would rank among the largest overseas equity offerings by a South Korean company.

If a substantial portion of the dollar proceeds is repatriat ...