Weak guidance raised questions about the software company's competitiveness in the current AI-centric environment.After the closing bell Thursday, Adobe (ADBE -9.21%) reported results for its fiscal third quarter that topped analysts' expectations. Despite that, shares of business software company were trading more than 9% lower early Friday afternoon, and it appears that the company's disappointing guidance for the quarter currently underway was the key driver of the sell-off.Unexpected headwinds blowingI ...