Sandusky amusement park owner also raises dividend.
Indexes up after their biggest monthly gain in four years.
But revenue plunges for Findlay tiremaker.
But revenues down for quarter for Findlay refiner, Speedway owner.
Next will be membership ratification; names new work for Toledo.
Purchase for $9.42 billion in cash.
Union to end old contract extension Sunday night.
After Fiat Chrysler deal, General Motors is next target.
Profits up for last three months, company said.
Early results look favorable, including from Toledo, Perrysburg Twp., Dundee plants.