PrimeNg tooltip misplacement

<!DOCTYPE html>
<html>

  <head>
    <base href="." />
    <script type="text/javascript" charset="utf-8">
      window.AngularVersionForThisPlunker = 'latest'
    </script>
    <title>angular playground</title>
    
    <link rel="stylesheet" href="https://unpkg.com/primeng@4.0.1/resources/themes/omega/theme.css" />
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" />
    <link rel="stylesheet" href="https://unpkg.com/primeng@4.0.1/resources/primeng.min.css" />
    
    <link rel="stylesheet" href="style.css" />
    <script src="https://unpkg.com/core-js@2.4.1/client/shim.min.js"></script>
    <script src="https://unpkg.com/zone.js/dist/zone.js"></script>
    <script src="https://unpkg.com/zone.js/dist/long-stack-trace-zone.js"></script>
    <script src="https://unpkg.com/reflect-metadata@0.1.3/Reflect.js"></script>
    <script src="https://unpkg.com/systemjs@0.19.31/dist/system.js"></script>
    <script src="config.js"></script>
    <script>
    System.import('app')
      .catch(console.error.bind(console));
  </script>
  </head>

  <body>
    <my-app>
    loading...
  </my-app>
  </body>

</html>

/* Styles go here */

### Angular Starter Plunker - Typescript

var angularVersion;
if(window.AngularVersionForThisPlunker === 'latest'){
  angularVersion = ''; //picks up latest
}
else {
  angularVersion = '@' + window.AngularVersionForThisPlunker;
}

System.config({
  //use typescript for compilation
  transpiler: 'typescript',
  //typescript compiler options
  typescriptOptions: {
    emitDecoratorMetadata: true
  },
  paths: {
    'npm:': 'https://unpkg.com/'
  },
  //map tells the System loader where to look for things
  map: {
    
    'app': './src',
    '@angular/core': 'npm:@angular/core'+ angularVersion + '/bundles/core.umd.js',
    '@angular/common': 'npm:@angular/common' + angularVersion + '/bundles/common.umd.js',
    '@angular/compiler': 'npm:@angular/compiler' + angularVersion  + '/bundles/compiler.umd.js',
    '@angular/platform-browser': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser.umd.js',
    '@angular/platform-browser-dynamic': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic.umd.js',
    '@angular/http': 'npm:@angular/http' + angularVersion + '/bundles/http.umd.js',
    '@angular/router': 'npm:@angular/router' + angularVersion +'/bundles/router.umd.js',
    '@angular/forms': 'npm:@angular/forms' + angularVersion + '/bundles/forms.umd.js',
    '@angular/animations': 'npm:@angular/animations' + angularVersion + '/bundles/animations.umd.js',
    '@angular/platform-browser/animations': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-animations.umd.js',
    '@angular/animations/browser': 'npm:@angular/animations' + angularVersion + '/bundles/animations-browser.umd.js',
    
    '@angular/core/testing': 'npm:@angular/core' + angularVersion + '/bundles/core-testing.umd.js',
    '@angular/common/testing': 'npm:@angular/common' + angularVersion + '/bundles/common-testing.umd.js',
    '@angular/compiler/testing': 'npm:@angular/compiler' + angularVersion + '/bundles/compiler-testing.umd.js',
    '@angular/platform-browser/testing': 'npm:@angular/platform-browser' + angularVersion + '/bundles/platform-browser-testing.umd.js',
    '@angular/platform-browser-dynamic/testing': 'npm:@angular/platform-browser-dynamic' + angularVersion + '/bundles/platform-browser-dynamic-testing.umd.js',
    '@angular/http/testing': 'npm:@angular/http' + angularVersion + '/bundles/http-testing.umd.js',
    '@angular/router/testing': 'npm:@angular/router' + angularVersion + '/bundles/router-testing.umd.js',
    'tslib': 'npm:tslib@1.6.1',
    'rxjs': 'npm:rxjs',
    'typescript': 'npm:typescript@2.2.1/lib/typescript.js',
    'primeng': 'npm:primeng@4.0.1'
  },
  //packages defines our app package
  packages: {
    app: {
      main: './main.ts',
      defaultExtension: 'ts'
    },
    rxjs: {
      defaultExtension: 'js'
    },
    primeng: {
      defaultExtension: 'js'
    }
  }
});

//main entry point
import {platformBrowserDynamic} from '@angular/platform-browser-dynamic';
import {AppModule} from './app';

platformBrowserDynamic().bootstrapModule(AppModule)

//our root app component
import {Component, NgModule, VERSION} from '@angular/core'
import {BrowserModule} from '@angular/platform-browser'
import {DataTableModule} from 'primeng/primeng';
import {TooltipModule} from 'primeng/primeng';

@Component({
  selector: 'my-app',
  template: `
    <p-dataTable [value]="sales">
      <p-column field="brand" header="Brand" [style]="{'overflow':'visible'}">
        <ng-template pTemplate="body" let-col let-row="rowData">
          <span pTooltip="this is a tooltip!" appendTo="target" style="position: relative">
            {{row[col.field]}}
          </span>
        </ng-template>
      </p-column>
      <p-column field="thisYearProfit" header="Profit"></p-column>
    </p-dataTable>
  `,
})
export class App {
  
   sales = [
            {brand: 'Apple', thisYearProfit: '$43,342'},
            {brand: 'Samsung',  thisYearProfit: '$312,122'},
            {brand: 'Microsoft', thisYearProfit: '$8,500'},
            {brand: 'Philips', thisYearProfit: '$650,323,'},
            {brand: 'Song', thisYearProfit: '500,332'},
            {brand: 'LG', thisYearProfit: '$150,005'},
            {brand: 'Sharp',  thisYearProfit: '$100,214'},
            {brand: 'Panasonic', thisYearProfit: '$53,322'},
            {brand: 'HTC', thisYearProfit: '$296,232'},
            {brand: 'Toshiba',  thisYearProfit: '$12,533'},
            {brand: 'Apple', thisYearProfit: '$43,342'},
            {brand: 'Samsung',  thisYearProfit: '$312,122'},
            {brand: 'Microsoft', thisYearProfit: '$8,500'},
            {brand: 'Philips', thisYearProfit: '$650,323,'},
            {brand: 'Song', thisYearProfit: '500,332'},
            {brand: 'LG', thisYearProfit: '$150,005'},
            {brand: 'Sharp',  thisYearProfit: '$100,214'},
            {brand: 'Panasonic', thisYearProfit: '$53,322'},
            {brand: 'HTC', thisYearProfit: '$296,232'},
            {brand: 'Toshiba',  thisYearProfit: '$12,533'},
            {brand: 'Apple', thisYearProfit: '$43,342'},
            {brand: 'Samsung',  thisYearProfit: '$312,122'},
            {brand: 'Microsoft', thisYearProfit: '$8,500'},
            {brand: 'Philips', thisYearProfit: '$650,323,'},
            {brand: 'Song', thisYearProfit: '500,332'},
            {brand: 'LG', thisYearProfit: '$150,005'},
            {brand: 'Sharp',  thisYearProfit: '$100,214'},
            {brand: 'Panasonic', thisYearProfit: '$53,322'},
            {brand: 'HTC', thisYearProfit: '$296,232'},
            {brand: 'Toshiba',  thisYearProfit: '$12,533'},
            {brand: 'Apple', thisYearProfit: '$43,342'},
            {brand: 'Samsung',  thisYearProfit: '$312,122'},
            {brand: 'Microsoft', thisYearProfit: '$8,500'},
            {brand: 'Philips', thisYearProfit: '$650,323,'},
            {brand: 'Song', thisYearProfit: '500,332'},
            {brand: 'LG', thisYearProfit: '$150,005'},
            {brand: 'Sharp',  thisYearProfit: '$100,214'},
            {brand: 'Panasonic', thisYearProfit: '$53,322'},
            {brand: 'HTC', thisYearProfit: '$296,232'},
            {brand: 'Toshiba',  thisYearProfit: '$12,533'},
        ];
  
  constructor() {
  }
}

@NgModule({
  imports: [ BrowserModule, DataTableModule, TooltipModule],
  declarations: [ App ],
  bootstrap: [ App ]
})
export class AppModule {}