The stock prices of several major companies linked to inter-Korean projects increased sharply on Tuesday following the news that North and South Korea had reestablished key communication channels.

Investors appeared to eye the possibility of new construction and tourism opportunities stemming from increased inter-Korean economic cooperation, which has been practically dormant since Seoul-Pyongyang ties soured in 2019.

Seoul-based firm Ananti — which co-built the $75 million Ananti Golf and Spa Resortat North Korea’s Mount Kumgang — saw its stock price hit 11,650 won shortly after the Presidential Blue House’s 11 a.m. announcement, a 22.6% increase from an opening price