google algorithm update

I can suddenly see a drastic changes in the google search results.Most of the ranking sites are falling back suddenly.This is happening for multiple search terms.Is there any new update that google rolled out or is there any change made to algorithm?

I am seeing strange behavior of google. I was monitoring a few keyword. Those keyword Top 10 result is changing almost every hour.

Hi SEO Experts, As we are seeing and reading that A Significant Google Algorithm Update Likely Occurred on June 25. My website has also affected and dropped the ranking and traffic. After I checked, found that my website's structured data has been removed by google. I was checking it...