** Shares of refiner Valero Energy VLO.N rise 2.4% to $141.70 premarket
** Company posts Q4 adj. profit of 64 cents per share vs est. of 7 cents per share - data compiled by LSEG
** VLO reports Q4 operating income of $170 mln in its renewable diesel segment compared with $84 mln from a year ago
** Company posts Q4 revenue of $30.75 bln vs est. of $30.20 bln
** VLO also said it was progressing with a fluid catalytic cracking unit optimization project at the St. Charles Refinery, Louisiana
** Stock was down 13.6% in 2024