$90 Oil: Chevron and Caterpillar's 2020 Acquisitions Are Paying Off Big TimeThe Motley Fool • 02/11/22
Caterpillar more than doubles profit per share in 2021 despite ‘challenging' operating environmentKitco • 01/28/22
Caterpillar stock suffers biggest selloff in 14 months as margin, cost disappointments offset big earnings beatMarket Watch • 01/28/22
Caterpillar to Supply Locomotives to Union Pacific Railroad, Supporting Investment in World's Largest Battery-Electric Locomotive FleetPRNewsWire • 01/28/22
Caterpillar Inc. (CAT) CEO Jim Umpleby on Q4 2021 Results - Earnings Call TranscriptSeeking Alpha • 01/28/22