The yen weakened in New York trading, with dollar-yen briefly plunging into the ¥159 range. It was reported to be at its lowest level in three weeks.
The New York Dow declined in response to movements in the yen exchange rate, while dollar-yen temporarily fell into the ¥159 range. The article described this movement as a three-week low.
This movement was reported as a localized development during trading, and the main text contains no discussion of future exchange-rate trends.