could be the share buyback which they announced last year but clearly did not start at that time. but I wouldn't rule out short covering at all given this traveled down from the $1 to $3 dollar range to pennies on very light volume.. just check a 3 year chart, look at the volumes ih.advfn.com/p.php?pid=staticchart&s=NO%5ESYAI&p=7&t=17&dm=2&vol=1