** Shares of U.S. oil refiner HF Sinclair Corp DINO.N up
2.12% at $42.8 premarket
** Co's Q1 adj. EPS of $2/shr beats analysts' average
expectations of $1.52/shr on higher margins - Refinitiv
** Q1 gross margin jumped 87% to $23.70 per produced barrel,
says DINO
** Separately, DINO submitted a non-binding proposal to
Holly Energy Partners LP HEP.N to acquire all outstanding
shares not owned by the company
** Up to last close, stock had fallen ~19% YTD
(Reporting by Ankit Kumar in Bengaluru)
((Ankit.Kumar2@thomsonreuters.com))