Thirteen of the 18 Iowa-based companies on the Business Record’s Iowa Index posted stock price gains in April. Only two companies posted double-digit percentage gains. Five Iowa-based stocks posted losses, with two being double-digit percentage losses.

Flexsteel Industries Inc. had the largest gain of the month with a 24.91% increase. Lee Enterprises Inc. had the second-biggest gain at 16.39%. West Bancorporation Inc. had the third-biggest with a 9.01% increase.

Renewable Energy Group Inc. had the biggest loss in April at 15.93%. It was the second straight month of losses posted by Renewable Energy Group. United Fire Group Inc. posted the second-biggest loss at 13.05%. Heartland Express Inc. was third with a 5.06% decrease.

The Iowa Index, an unweighted average price of 18 Iowa-based public companies, increased 2.47% in April, compared with a 5.40% increase in the Nasdaq stock index and a 2.71% increase in the Dow Jones Industrial Average.

The Iowa-based companies that make up the Iowa Index are in bold in this list of companies with sizable operations in the state.

See the full Iowa Index