JS - Select <tr> - Traversing DOM

gistfile1.txt

Selecionando elemento de uma linha na tabela A, muda o comprtamento de linhas selecionadas em outras tabelas, inclusive a A.
https://jsfiddle.net/aj1p62bz/

//Html
<table style='width:50% ;height:50%;border: 3px solid #00BABF;border-collapse: collapse;' align='center'>
    <tr class="rowProducts" id="rowPrd">
        <td>
            <table >
                <tr>
                    <td>Jill</td>
                    <td>Smith</td> 
                    <td>
                        <input class='infoCheck' type="checkbox" value="0">
                    </td>
                </tr>
                <tr hidden class="tr_prodInfo tr_hidden" id="trTest1">
                    <td >Eve</td>
                    <td>Jackson</td> 
                    <td>94</td>
                </tr>
            </table>
        </td>
  
        <td>
            <table >
                <tr>
                    <td>Jill2</td>
                    <td>Smith2</td> 
                    <td></td>
                </tr>
                <tr hidden class="tr_InvoiceInfo tr_hidden" id="trTest2">
                    <td>Eve2</td>
                    <td>Jackson2</td> 
                    <td>942</td>
                </tr>
            </table>
        </td>
    </tr>
</table>

//Js
$("input:checkbox.infoCheck").on( 'change', function() {
     var objectEvent=$(this); //ok 
     var objEvnt =  $(this).parents(".rowProducts");
  	 if(objEvnt.find(".tr_hidden").is(":visible")){
       	objEvnt.find(".tr_hidden").hide('slow');
     }
     else{
     	objEvnt.find(".tr_hidden").show('slow');
     }
 });