1. Go to the URL above (or any search result/product listing on Newegg). 2. Hover over the product image and notice how the faux tooltip is positioned near the cursor. 3. Scroll down if necessary to the second product - the tooltip follows the cursor, but is positioned at the first product.
Unfortunately the site has moved on since this bug was filed so there's nothing to work with here anymore. Please re-open if you believe otherwise.