Delek Logistics LP DKL owns and operates a system of crude as well as refined product transportation pipelines, along with terminaling and storage facilities.Let’s focus on the factors that make this Zacks Rank #1 (Strong Buy) stock a strong investment pick at the moment. You can see the complete list of today’s Zacks #1 Rank stocks here.Upward Revision in EstimatesThe Zacks Consensus Estimate for 2020 earnings per unit has increased 33% in the past 60 days to $4.11.The Zacks Consensus Estimate for 2021 earnings is pegged at $4.75 per unit, which improved 29.8% in the past 60 days.Surprise HistoryDelek Logistics’ trailing four-quarter earnings surprise is 11.01%, on average.Minimum Volume CommitmentsDelek Logistics stands to benefit from the existing multi-year contracts with customers having firm commitments. At the end of second-quarter 2020, nearly 92% of its existing contracts had duration of more than three years, which provided ample earnings visibility amid this unprecedented economic crisis.Joint Venture & Drop DownLast year, Delek Logistics entered into a joint venture (JV) agreement with Plains Pipeline, L.P. PAA for the Red River Pipeline. The JV is supporting its initiative to grow the midstream business, while increasing crude oil sourcing flexibility.Delek Holdings DK has granted the firm a right of first offer on certain logistics assets. It dropped the Big Spring Gathering System and trucking assets to Delek Logistics in first-half 2020. These will be accretive to Delek Logistics’ bottom line.Price PerformanceOver the past 12 months, the stock has gained 12.1% against the industry’s decline of 46.4%.Another Stock to ConsiderAnother top-ranked stock in the same space is TC Pipelines LP TCP, currently holding a Zacks Rank #2 (Buy). TC Pipelines delivered an average earnings surprise of 19.3% in the last four quarters. The Zacks Consensus Estimate for 2020 earnings has moved up 4.2% in the past 60 days.Looking for Stocks with Skyrocketing Upside?Zacks has just released a Special Report on the booming investment opportunities of legal marijuana.Ignited by new referendums and legislation, this industry is expected to blast from an already robust $6.7 billion to $20.2 billion in 2021. Early investors stand to make a killing, but you have to be ready to act and know just where to look.See the pot trades we're targeting>>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 Plains All American Pipeline, L.P. (PAA): Free Stock Analysis Report TC PipeLines, LP (TCP): Free Stock Analysis Report Delek US Holdings, Inc. (DK): Free Stock Analysis Report Delek Logistics Partners, L.P. (DKL): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research