Sudden Rise
Surge
noun, verbal noun
きゅうとう
急増 (きゅうぞう) Sudden Increase, Surge
急騰 (きゅうとう) Sudden Rise, Surge
高騰 (こうとう) Sudden Price Jump, Steep Price Rise
暴騰 (ぼうとう) Sudden Rise, Sharp Rise, Boom, Skyrocketing
The popularity of cucumbers きゅう in Tokyo とう saw a Sudden Rise.
There's been a Sudden Rise of cute-Tokyo きゅうとう merchandise for sale.