text: let symbols = getStockSymbols([
    { symbol: "XFX", price: 240.22, volume: 23432 },
    { symbol: "TNZ", price: 332.19, volume: 234 },
    { symbol: "JXJ", price: 120.22, volume: 5323 },
  ]);
  
  function getStockSymbols(lev1_holder) {
  
    let ss_return_value = [];
  
    lev1_holder.forEach(item() => {
      ss_return_value.push(item.symbol);
    })
  
    return  ss_return_value.sort();
  
  }
  
  console.log(JSON.stringify(symbols));
  
  