Julia Chatterley is live from the New York Stock Exchange. Here are the top business stories for today: A rare earths battle - China threatens to withhold minerals used in key U.S. tech industries, the next Pablo Escobar? A former Purdue Pharma exec was given a warning about the drug OxyContin...and Alexa's amnesia - Amazon releases a delete function for voice recordings. It's Wednesday...let's make a move.To learn more about how CNN protects listener privacy, visit cnn.com/privacy