TAIPEI, Aug 5 (Reuters) - The Taiwan Stock Exchange said it will remain on high alert over the global situation and cooperate with regulators to maintain capital market stability, after the benchmark index posted its worst one-day percentage fall of 8.4% on Monday.

Exchange President Lih-Chung Chien made the comments in a media briefing. (Reporting by Faith Hung and James Promfret; Editing by Jacqueline Wong)