The most notable insider purchases of the past week came from return buyers, including Warren Buffett. A biotech IPO also ...

Diversified Energy (OTCQX:DEC) -4.4% pre-market Wednesday after saying it launched a U.S. public offering of as much as 8.5M ...

DVN reports better-than-expected fourth-quarter earnings and revenues. The company continues to enjoy benefits from its multi ...

Privately owned U.S. oil and gas producer Validus Energy has struck a deal to buy rival 89 Energy III for about $850 million, ...

As Coterra Energy gears up to report Q4 earnings on Feb. 24, let's find out how the expectations stack up. Also, know how to ...