rising phase; upturn; period of increase
Refers to a period during which something is rising or increasing, such as economic trends, stock prices, or growth curves. Often used in analytical or business contexts.
The economy is thought to have entered an upturn phase.
This stock is in a rising period, so now might be the time to buy.
The general noun for 'rise' or 'increase'; 上昇期 specifically refers to the period or phase of rising.
Compound of 上昇 (rise, increase) and 期 (period, phase).