There is a fluctuation in Google Search Results is seen over the past few days, some over the weekend too. There are a lot of chatter & fluctuation is seen but not like the Google Update.
Recommendation
This doesn’t seems like a Google Core Update nor anything related with a Page Experience Update.
The Two Tools shows the fluctuations in Ranking but others not. They are SEMRush & RankRanger
SEMRush
Source: SERoundtable
RankRanger
Source: SERoundtable
You can check the buzz over the Google Webmaster here
So, If you saw a ranking fluctuations, then you are not the one alone, but the thing to note that this weekend is Father’s Day weekend.