Here's the summary of the text: - Samsung stock reaches three-year high due to AI and chip demand. - China's artificial intelligence competitors and firms are expanding. - Russia upgraded to "high-income" country status due to military spending. - European Union scrutinizing Amazon's algorithm compliance. - JPMorgan Chase may start charging customers for checking accounts. - Shell's biofuels plant write-down in the Netherlands costs $1 billion. - Tesla's stock turnaround reverses poor performance, adding $10 billion to CEO Elon Musk's share value. - Illinois introduces a law requiring parent-influencers to pay their kids for appearing in paid content. - Scientists develop a potentially effective blood substitute. - Core of the Earth has a 70-year spin cycle. - Half of Americans can't afford a summer vacation, with Disney World being heavily affected by inflation. - World's oldest known picture story found in Indonesia, dating back 51, 200 years. - The Caesar salad is 100 years old, originating from Tijuana, Mexico and originally called the aviator salad.