The Bloomberg Nebraska and Iowa Index, a price-weighted list of companies with operations in the region, rose 3.16 to 706.38.
Oneok rose 0.84 to 52.27. Amcon 1.50 to 80.00.
Berkshire Hathaway Class A shares rose 345.00 to 205,850.00.
In the broader market, the Standard & Poor's 500 Index rose 17.25 to 1,904.01. The Dow Jones Industrial Average rose 19.26 to 16,399.67.
The Bloomberg Nebraska and Iowa Index was developed with a base value of 100 as of Dec. 31, 1996.
