Is the Explosion of Single-Stock ETFs an Opportunity or a Danger? Tesla, Exxon Mobil, and Chevron are the three Energy stocks to watch today, according to MarketBeat's stock screener tool. Energy stocks are shares of companies involved in producing, transporting, generating, or providing services for energy—including oil and gas explorers and refiners, pipeline and utility companies, and renewable power producers and equipment suppliers. Their returns for investors are often driven by commodity prices, regulatory and geopolitical developments, and long-term demand trends, making them cyclical and sometimes more volatile than the broader market. These companies had the highest dollar trading volume of any Energy stocks within the last several days. Get Tesla alerts: