Jefferies analyst Christopher Sighinolfi upgraded Plains All American Pipeline to Buy with an unchanged price target of $26. The analyst finds the Midstream & Refining attractive citing "simplified structures, reduced leverage, minimal equity need, and continued growth." U.S. Midstream and Refining equities are approaching year-end at multi-year lows with valuation multiples 15%-30% below three-year averages, Sighinolfi tells investors in a research note titled "Hey Nineteen, That's Real Opportunity." The analyst sees "supportive" 2019-2020 fundamentals and believes investors will find value in the sector. As such, he upgraded 10 names in the space.