Preparation code

 
<script>
  Benchmark.prototype.setup = function() {
    var list1 = {
      "AAPL": "Apple Inc.",
      "GOOG": "Google Inc.",
      "INTC": "Intel Corporation"
    };
    
    var list2 = [{
      "ticker": "AAPL",
      "name": "Apple Inc."
    }, {
      "ticker": "GOOG",
      "name": "Google Inc."
    }, {
      "ticker": "INTC",
      "name": "Intel Corporation"
    }];
    
    function go(element) {
      var data = {
        'ticker': element.ticker,
        'name': element.name,
      };
      console.log(data);
    }
  };
</script>

Test runner

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for (key in list1) {
  var data = {
    'ticker': key,
    'name': list1[key]
  }
  console.log(data);
}

list2.forEach(go)

for (var i = 0, len = list2.length; i < len; i++) {
  var entry = list2[i];
  var data = {
    'ticker': entry.ticker,
    'name': entry.name,
  };
  console.log(data);
}

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