Key Facts

—The trigger. A sharp fall in US chip stocks spread overnight to Asia and Europe in late June.

—The spread. Korea’s market fell about ten per cent in a day, its worst session of the year.

—The shift. Korea now sells more semiconductors than Japan and has become North Asia’s lead market.

—The fall. Tokyo’s Nikkei closed June 24 down 613 points at 69,174 after a deeper intraday slide.