Opening remarks are set for Tuesday in a courtroom showdown between billionaire Elon Musk and OpenAI over whether the artificial intelligence company betrayed its non-profit mission.

The central parity rate of the Chinese currency renminbi, or the yuan, weakened 10 pips to 6.8589 against the US dollar Tuesday, according to the China Foreign Exchange Trade System.

The first two phases of the 139th China Import and Export Fair, also known as the Canton Fair, have attracted 245,000 overseas buyers from 219 countries and regions as of Monday afternoon, an increase of 2.2 percent from the same period of the previous edition, according to the China Foreign Trade

U.S. stocks ended mixed on Monday. The Dow Jones Industrial Average fell by 62.92 points, or 0.13 percent, to 49,167.79. The S&P 500 added 8.83 points, or 0.12 percent, to 7,173.91.