The phrase "small fluctuations" refers to small changes or variations that occur in a particular situation or process. It means that there are minor ups and downs, or tiny shifts, happening within a certain range or scale. Full definition
Small fluctuations of a few percentage points occurred right before and after the 2009 recession. (valuepenguin.com)
The ideal result is a mix of assets that generate cash as well as appreciates over time with smaller fluctuations in quoted principal value than the all - growth portfolio. (thebalance.com)
Under normal circumstances, the forex market experiences relatively small fluctuations on a typical daily basis. (investopedia.com)