Holly Energy Partners, L.P. (HEP) Upgraded to Buy: What Does It Mean for the Stock? Posted byZacks Equity Research September 14, 2021 Leave a comment on Holly Energy Partners, L.P. (HEP) Upgraded to Buy: What Does It Mean for the Stock? Holly Energy Partners, L.P. (HEP) has been upgraded to a Zacks Rank #2 (Buy), reflecting growing optimism about the company’s earnings prospects. This…