In the following video, Fool contributor Matt Thalman points out one big reason why he believes opening a new position in Hewlett-Packard (HPQ 0.24%) is not worth the risk today. While Matt feels that Meg Whitman has, up to this point, performed wonderfully in pulling the struggling technology company back from the edge of the cliff, the turnaround strategy still has a number of hurdles to overcome, and too many things still have to go according to plan.