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.