State index up 1.47 to end day at 347.31
The Arkansas Index, a price-weighted index that tracks the largest public companies based in the state, climbed 1.47 to 347.31 Friday.
Thirteen stocks advanced and five declined.
ArcBest Corp. was up 6 percent in heavy trading. Windstream Holdings Inc. and Acxiom Corp. each fell 6.3 percent on heavy volume.
The index was developed by Bloomberg News and the with a base value of 100 as of Dec. 30, 1997.