There are alot of gossips are there in the SEO industry last weekend from June 10 & then it will take a boost on july 11th & July 12th. Google performed such weekend updates from last few weekends, all going unconfirmed.
Recommendation
The chatter is not only from SEO industry, more than a few weeks ago before core algo update, but most of the tools reflects inconsistency in google search results.
Checkout the below mentioned chatter in the Google Webmaster World, I’ve mentioned just a few chatter, you can check full chatter over webmaster world.