頂点 ちょうてん
chōten

Noun

1. vertex; apex

Geometry
Noun

2. top (e.g. of a mountain); summit; peak

Noun

3. top (of a profession, field, etc.); summit

Noun

4. peak (of popularity, a boom, etc.); height (e.g. of prosperity); apex; zenith; climax

経済 けいざい いま景気 けいき循環 じゅんかん頂点 ちょうてんにある。
kēzaiwa ima kēkijunkanno chōtenni aru.
The economy is at peak of a business cycle at present.