How to use

companyName

function

in

Array

render() {

  const stockListRows = [];
  this.state.stockList.forEach((item) => {
   stockListRows.push(
    <StockBlock
     key={item.stockCode}
     code={item.stockCode}
     companyName={item.companyName}
     update={this.update} />);
  });

  return (
   <div>
    <div className="col-md-4 col-sm-6 stock-block stock-new">
     <StockAddForm update={this.update} />
    </div>
    {stockListRows}
   </div>
  );
 }