Range Resources Corporation RRC has witnessed upward earnings estimate revisions for 2021 and 2022 in the past seven days. So far this year, the Zacks Rank #1 (Strong Buy) stock has gained 192.3%.What’s Favoring the Stock?The price of natural gas has skyrocketed more than 108% so far this year. While we are heading toward the winter heating season, concerns have intensified over tight supplies of natural gas, owing to which its price recently touched a seven-year high mark.Being a leading producer of natural gas and natural gas liquid (NGL) in the United States, the massive improvement in the commodity price is definitely a boon for Range Resources’ upstream operations.In the Appalachia, the company has decades of low-risk drilling inventory, brightening up its production outlook. As compared to many other upstream players, the company has lower well costs per lateral foot.The company has a strong focus on strengthening its balance sheet. Range Resources expects 2021 to be the fourth consecutive year of absolute debt reduction. On a positive note, the company has the lowest emission intensity among the upstream companies in the United States.Range Resources Corporation Price Range Resources Corporation price | Range Resources Corporation QuoteOther Stocks to ConsiderOther prospective players in the energy space include Whiting Petroleum Corporation WLL, Continental Resources, Inc. CLR and Matador Resources Company MTDR. All the stocks sport a Zacks Rank #1. You can see the complete list of today’s Zacks #1 Rank stocks here.Whiting Petroleum has witnessed upward earnings estimate revisions for 2021 in the past 30 days.Continental is expected to witness earnings growth of 428.2% in 2021.Matador Resources has witnessed upward earnings estimate revisions for 2021 in the past 30 days. 5 Stocks Set to Double Each was handpicked by a Zacks expert as the #1 favorite stock to gain +100% or more in 2021. Previous recommendations have soared +143.0%, +175.9%, +498.3% and +673.0%. Most of the stocks in this report are flying under Wall Street radar, which provides a great opportunity to get in on the ground floor.Today, See These 5 Potential Home Runs >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Range Resources Corporation (RRC): Free Stock Analysis Report Continental Resources, Inc. (CLR): Free Stock Analysis Report Whiting Petroleum Corporation (WLL): Free Stock Analysis Report Matador Resources Company (MTDR): Free Stock Analysis Report To read this article on Zacks.com click here.