CNNMoney - Markets Dow plunges 724 points as trade war fears rock Wall Street 2018-03-22T16:07:51.000000000-04:00 Investors aren't responding well to President Trump's trade crackdown on China. These American companies could lose in a trade war with China 2018-03-22T15:36:39.000000000-04:00 Read full story for latest details. Why Trump's tariffs on China are a big deal 2018-03-22T15:06:01.000000000-04:00 President Trump is expected to announce tariffs on $60 billion of Chinese exports to the US in response to China's alleged theft of US intellectual property. Some economists fear the tariffs could spark retaliation by China and a trade war. China: We will hit back if US announces new tariffs 2018-03-22T14:15:34.000000000-04:00 Read full story for latest details. Best Buy will stop selling Huawei smartphones 2018-03-22T10:53:48.000000000-04:00 China's biggest smartphone marker is finding the United States an increasingly hostile environment. Premarket: 7 things to know before the bell 2018-03-22T07:23:27.000000000-04:00 Read full story for latest details. New Tesla pay package could make Elon Musk the richest man alive 2018-03-21T20:05:34.000000000-04:00 Elon Musk's incentive based pay package from Tesla could make him the wealthiest man on the planet ? or, if he fails to reach certain milestones, it could leave him without a dime in compensation. The case for Facebook: Is Wall Street overreacting to data scandal? 2018-03-21T15:50:36.000000000-04:00 Some Wall Street analysts believe that the stock could soon hit bottom ? and then go much higher. Exclusive: Democrats plan crackdown on booming stock buybacks 2018-03-21T15:50:12.000000000-04:00 Read full story for latest details. EU and others may get tariff exemptions, US trade official says 2018-03-21T15:08:49.000000000-04:00 Australia, Argentina, Brazil and South Korea may also get out of tariffs, Trade Representative Robert Lighthizer says.