The term "boom phase" refers to a period of rapid growth, success, or prosperity, usually in business or the economy. It usually signifies a positive and flourishing time with lots of opportunities. Full definition
There are always areas of excess in every market boom phase. (alephblog.com)
Litecoin surged in November and December - peaking at that time during the cryptocurrency boom phase. (cryptocrimson.com)
Within the context of this theory, Section 3 then discusses developments in the Australian economy since the onset of the boom in commodity prices: Section 3.1 examines the impact of the higher commodity prices on the terms of trade, the exchange rate, and national income; Section 3.2 analyses the mining investment boom phase and the implications for the broader economy; and Section 3.3 discusses the mining production phase when additional capacity comes on line. (rba.gov.au)