June 25 (UPI) -- Apple announced on Thursday that it is raising prices on several laptop and tablet product lines because of increasing costs for memory, causing its stock price to drop later in the day. The technology company said that, because of chip shortages linked to the artificial intelligence industry, prices for MacBook Neo, MacBook Air, iMac and iPad models would increase by $100 to $300. The price hikes, which Apple updated on its online store this afternoon, also include the Apple