Apple reclaimed the title of the world's most valuable company from tech rival Microsoft during Wednesday's trading session, after the iPhone-maker unveiled new artificial intelligence (AI) initiatives this week. Apple stock rose by 5% to about $217.50 a share as of early Wednesday afternoon after its market valuation rose above$3.29 trillion earlier in the day's trading session. By comparison, Microsoft's market capitalization was $3.24 trillion, putting it behind Apple for the first time in five months. ...