April was a brutal month for a majority of stocks. The S&P 500 fell 8.8% in April and the Dow industrials declined nearly 5%, the worst monthly performance for the indexes since March 2020, according to the Wall Street Journal. The Nasdaq Composite also had its worst showing since October 2008.

Thirteen of the 16 Iowa-based companies on the Business Record's Iowa Index posted stock price losses for the month of April, three being double-digit percentage losses. Three Iowa-based stocks posted gains. One stock posted double-digit percentage gains.

Flexsteel Industries Inc. had the largest gain of the month with a 12.38% increase. Casey's General Stores Inc. had the second-largest gain at 1.58%. Renewable Energy Group Inc. had the third-largest with a 0.68% increase.

Art's Way Manufacturing Co. posted the biggest percentage loss at 48.91%. Workiva Inc. had the second-biggest loss with an 18.21% decrease. Lee Enterprises Inc. was third with a 10.48% decrease.

The Iowa Index, an unweighted average price of 15 Iowa-based public companies, decreased 5.67% in April, compared with a 13.26% decrease in the Nasdaq stock index and a 4.91% decrease 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