Agricultural markets were mixed on Wednesday with livestock futures posting another day of solid gains while corn and the soy complex were higher in lackluster trade. Wheat futures saw additional weakness on a strong U.S. dollar and improving weather for the winter wheat crops. Outside news was limited and the markets are focused on tomorrow’s Hogs and Pigs report and next week’s Plantings and Grain Stocks reports. Funds are thought to have been modest buyers of 5,000 contracts each of corn and soybeans while selling 4,000 contracts of wheat.  The U.S. EPA said yesterday it is finishing a proposal that would extend the deadline by which oil refiners must prove their compliance with the RFS for the 2019 and 2020 years to 31...