The development of a foldable iPad or MacBook by Apple indicates a significant investment in foldable technology, which could enhance its product portfolio and appeal in the tech market. Given the early stage of the foldable device market, Apple's entry could stimulate interest and demand, potentially boosting its stock in the short term. However, the impact is moderated by the historical inaccuracy of Digitimes' predictions regarding Apple's product plans, introducing some uncertainty to the timeline and specifics of the product launch.