YPF is trading at $51.66, up 4.01%, with supportive broader-market sentiment offering context, though no clear YPF-specific announcement explains the rise. - The S&P 500 gained 0.60% and Nasdaq rose 0.96%. - A recent report said former investors petitioned the U.S. Supreme Court over the overturned $16.1 billion Argentina judgment, a legal overhang rather than an evident positive catalyst. - Oil prices fell amid increased supply, so crude does not clearly explain YPF’s gain.