Repsol has agreed to sell a 3.3% stake in YPF for $500m to Eton Park Capital Management and Capital Guardian Trust Company and Capital International. The $39/share deal is a discount to YPF’s closing price on Wednesday of $45.78. YPF is an Argentine energy company. The companies did not disclose financial advisors. The deal leaves the Spanish energy company with a 79.84% stake in YPF. Repsol had filed to sell another 15% of the Argentine YPF unit on the New York stock exchange in November, as part of what it called long-term efforts to reduce its holdings in the company.