Julia Chatterley is live from the New York Stock Exchange. Here are the top business news stories today! Tariff tweaks? Reports say the White House may reduce levies on Chinese goods to get a trade deal. Zero stars! Uber stocks decline after Q3 earnings. And, home device hacker! The study that says Alexa and Siri can be hacked with lasers! It's Tuesday...let's make a moveTo learn more about how CNN protects listener privacy, visit cnn.com/privacy