content: import React from 'react';
  import { PositionSymbol } from './position-row';
  import { PositionRow } from "./position-row/PositionRow";
  
  export function PositionTable(props) {
  
    const positionRows = props.positions.map(position => {
      return <PositionRow position = { position } key = { position.symbol }/>
    })
  
    return (
        <div>
          { positionRows }
        </div>
    )
  }