Seoul, July 4 -- South Korea's leading semiconductor companies are increasing their investments in production facilities, driven by strong forecasts for rapid growth in the artificial intelligence (AI) chip market, reported the Korea Herald.

Samsung Electronics is reviewing plans to restart construction of chip manufacturing plants in Korea, while SK hynix has recently begun building a new back-end processing facility.

Citing industry sources, the Korean English daily said that tech giant Samsung is preparing to resume work on its Pyeongtaek Campus Line 4 (P4), where construction was halted last year.

P4, the company's fourth major chip facility at the site, is divided into four phases. While Phases 1 and 3 are nearing completion, sour...