Houston, Texas-based refiner Phillips 66 (NYSE:PSX) has exceeded Wall Street estimates for the fourth quarter as U.S. refining margins posted a strong rebound from 2024 lows. Phillips posted Q4 EPS of $2.47, $0.32 above the Wall Street consensus, while fourth quarter earnings of $2.91 billion represented a big jump from third quarter earnings of $133 million, and also generated $2.8 billion of net operating cash flow. Refinery margins for the quarter, measured by the 3-2-1 crack spread, improved 45% Y/Y on average thanks to a rebound in product…