Caterpillar Is Up 100% in a Year. August 4 Is the Test. Business Caterpillar Is Up 100% in a Year. August 4 Is the Test. Market Spectator July 30, 2026 A data center downgrade just hit CAT. The Q2 numbers decide if the AI thesis holds. Read More Read more about Caterpillar Is Up 100% in a Year. August 4 Is the Test.