This is the 5110th most frequent Spanish word.
fluctuaciones
Variations or changes, often irregular, in level, amount, or intensity.
Here, 'fluctuaciones' denotes variations in market trends.
Las fluctuaciones del mercado afectaron las inversiones.
The fluctuations of the market affected the investments.
'Fluctuaciones' is used to describe the variations in sound intensity.
Existen fluctuaciones en la intensidad del sonido a lo largo del concierto.
There are fluctuations in the intensity of the sound throughout the concert.
In this case, 'fluctuaciones' refers to changes in someone's mood.