global $wpdb;
$user_id = get_current_user_id();
$results = $wpdb->get_results("

SELECT post_title, stock_level, guid AS link
FROM wp_posts p

INNER JOIN wp_post_stocklv s ON s.product_ID = p.ID
INNER JOIN wp_term_relationships ON wp_term_relationships.object_id = p.ID
INNER JOIN wp_postmeta m ON m.post_id = p.ID

WHERE p.post_type =  'product'
AND s.user_ID = $user_id
AND wp_term_relationships.term_taxonomy_id  = 34
AND p.post_status =  'publish'
AND m.meta_value =  'yes' OR m.meta_value = p.ID
ORDER BY post_title ASC
 ");

 if(!empty($results)) {
 echo '<form action="#" method="post">
 <table>
 <tbody>';
 foreach($results as $r) {
      echo '
 <td><a style="text-decoration: none" href="' .$r->link. '" target="blank">'.$r->post_title.'</a></td>
 <td><input class="text stock" name="stocklevels[]" step="any" type="number" value="' .$r->stock_level. '" /></td>
 ';
 }
 echo '<input type="submit" value="stocksubmit" name="stocksubmit" id="stocksubmit" style="float: right" class="update-btn"></form></table>

if (isset($_POST['stocksubmit'])){

 var_dump($_POST['stocklevels']);

 echo "<div class='stock-success'>Success! You have updated your stock! <div id='stock-success-close'>Close</div></div>";

 }