noun
fall below a key level; break below a round number
Used in financial contexts when a stock price, index, or other numeric value drops below a psychologically significant round number (e.g., 10,000 yen). Often contrasted with 台替わり (moving to a different range).
See also: 台
Antonyms: 台替わり (だいがわり)
日経平均が一時3万円台割れとなった。
The Nikkei average briefly fell below the 30,000 yen level.
この銘柄は1000円台割れが目前だ。
This stock is on the verge of breaking below the 1,000 yen level.