Since the start of the year, shares of AMD (AMD -0.45%) have been soaring. And although its shares are still down meaningfully over longer horizons, it finally seems that investors have given the struggling tech giant a new lease on life, until recently. Last month, AMD's shares took an abrupt turn downward, presenting investors with a puzzling situation. Going forward, the real question becomes whether this was only a momentary pause in its march upward or a sign that this turnaround has run its course. In the following video, we dig deeper into the matter in the most recent edition of our "Ask a Fool" series.