fluctuate

US /ˈflʌk.tʃu.eɪt/
UK /ˈflʌk.tʃu.eɪt/
"fluctuate" picture
1.

rise and fall irregularly in number or amount

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The stock market prices fluctuate daily.
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Her mood often fluctuates between happiness and sadness.
:
varychangeshiftalteroscillatewaverswingundulaterise and fallgo up and down