end this loop properly

    <?php
    //for in the loop, display all "content", regardless of post_type,
    //that have the same custom taxonomy (e.g. genre) terms as the current post (pick cat)
    $backup = $post;  // backup the current object
    $found_none = '';
    $taxonomy = 'kund';//  e.g. post_tag, category, custom taxonomy
    $param_type = 'kund'; //  e.g. tag__in, category__in, but genre__in will NOT work
    $post_types = get_post_types( array('public' => true), 'names' );
    $tax_args=array('orderby' => 'none');
    $tags = wp_get_post_terms( $post->ID , $taxonomy, $tax_args);
    if ($tags) {
      foreach ($tags as $tag) {
        $args=array(
          "$param_type" => $tag->slug,
          'post__not_in' => array($post->ID),
          'post_type' => $post_types,
          'showposts'=>-1,
          'cat' => 5,
          'caller_get_posts'=>1
    );
    $my_query = null;
    $my_query = new WP_Query($args);
  if( $my_query->have_posts() ) { ?>
        <div id="wrapper-extra" class="container_24">
        <div class="thumbnails">
            <div class="grid_24"><h3 class="liten-rubrik"></h3></div>
        <?php  while ($my_query->have_posts()) :?>
        <?php $my_query->the_post(); ?>
        <div class="newsbox grid_8">
            <div class="news-thumbnail">
            <a class="news-thumbnail" href="<?php the_permalink() ?>" rel="<?php the_ID(); ?>" title="Nyhet - <?php the_title_attribute(); ?>">
            <?php the_post_thumbnail(); ?></a>
            </div>


            <div class="news-description">
            <a class="news-link" href="<?php the_permalink() ?>" rel="<?php the_ID(); ?>" title="Nyhet - <?php the_title_attribute(); ?>">
            <?php the_title('<p class="news-titel">', '</p>'); ?>
            <div class="news-excerpt"><?php the_excerpt(); ?></div>
            <p class="news-date"><?php the_time('F j, Y'); ?></p>
            </a>
            </div>

            <div class="mobile-title"><?php the_title('<p class="mobile-news-titel">', '</p>'); ?></div>
        </div> <!-- end newsbox grid_8 -->
        <?php $found_none = '';
        endwhile;
        }
      }
    }
    if ($found_none) {
    echo $found_none;
    }
    $post = $backup;  // copy it back
    wp_reset_query(); // to use the original query again
    ?>