HF Sinclair gains on record profit, CEO change
** Shares of refiner HF Sinclair DINO.N gain 4.6% to $119.54 premarket
** Company appoints Steve Ledbetter as CEO
** Posts highest-ever quarterly profit as elevated refining margins boost earnings
** Posts Q3 adjusted profit of $11.75 per share, compared with analysts' average estimate of $7.65 - data compiled by LSEG
** Q3 adjusted refinery gross margin per barrel at $54.22, compared with $19.16 a year earlier
** As of last close, shares up 147.8% YTD