Fund manager identifies CoStar and Duolingo as recovery candidates

If either or both stocks deliver operational improvements or earnings beats that validate the fund manager's thesis, it could trigger a rerating and draw fresh capital into the names, though the magnitude would depend on the scale of the improvement and broader market sentiment toward growth equities.

The commentary fades into the background as one manager's view among many; CoStar and Duolingo continue to trade on their own fundamentals and sector momentum without a sustained inflection, leaving sentiment and positioning largely unchanged from current levels.

If the underlying reasons for investor skepticism—whether deteriorating user metrics, competitive pressure, or macro headwinds—worsen rather than improve, the stocks could extend their declines, potentially triggering stop-losses and reinforcing the bearish narrative that prompted the skepticism in the first place.