The Bloomberg Nebraska and Iowa Index, a price-weighted list of companies with operations in the region, rose 1.36 to 734.11.
National Research rose 2.27 to 34.42. Kellogg Co. rose 1.57 to 64.04.
Berkshire Hathaway Class A shares fell 569.59 to 209,030.61.
In the broader market, the Standard & Poor's 500 Index rose 12.35 to 1,994.65. The Dow Jones Industrial Average rose 221.11 to 17,195.42.
The Bloomberg Nebraska and Iowa Index was developed with a base value of 100 as of Dec. 31, 1996.
