Metal markets

FILE - In this Tuesday, Oct. 25, 2016, file photo, a pedestrian walks past the New York Stock Exchange, in lower Manhattan. World stock markets were mixed on Wednesday, Oct. 4, 2017, as momentum from Wall Street's rally faded. Investors were watching for economic data and remarks from the Federal Reserve chief to provide direction. (AP Photo/Mary Altaffer, File)

FILE - In this Tuesday, Oct. 25, 2016, file photo, a pedestrian walks past the New York Stock Exchange, in lower Manhattan. World stock markets were mixed on Wednesday, Oct. 4, 2017, as momentum from Wall Street's rally faded. Investors were watching for economic data and remarks from the Federal Reserve chief to provide direction. (AP Photo/Mary Altaffer, File)

FILE - In this Oct. 8, 2014, file photo, people walk to work on Wall Street beneath a statue of George Washington, in New York. Health care and retail companies are helping stocks climb again Wednesday, Jan. 24, 2018, as the market heads for its fourth gain in a row. (AP Photo/Mark Lennihan, File)

Trader Peter Tuchman works on the floor of the New York Stock Exchange, Tuesday, June 6, 2017. Stocks are opening lower on Wall Street, led by declines in banks and industrial companies. (AP Photo/Richard Drew)

French President Emmanuel Macron, right, speaks to Russian President Vladimir Putin in the Galerie des Batailles (Gallery of Battles) at the Versailles Palace as they arrive for a joint press conference following their meeting in Versailles, near Paris, France, Monday, May 29, 2017. Monday's meeting comes in the wake of the Group of Seven's summit over the weekend where relations with Russia were part of the agenda, making Macron the first Western leader to speak to Putin after the talks. (Stephane de Sakutin/Pool Photo via AP)

FILE - In this Oct. 8, 2014, file photo, a man walks to work on Wall Street, near the New York Stock Exchange, in New York. The major U.S. stock indexes are down slightly in early trading, Monday, Jan. 29, 2018, as losses in technology companies outweigh gains elsewhere. (AP Photo/Mark Lennihan, File)

A man looks at an electronic stock board of a securities firm in Tokyo, Monday, May 8, 2017. Asian shares rose Monday after Emmanuel Macron, a centrist would-be reformer and supporter of the European Union, won the French presidential election. (AP Photo/Koji Sasahara)

A man looks at an electronic stock board of a securities firm in Tokyo, Monday, May 8, 2017. Asian shares rose Monday after Emmanuel Macron, a centrist would-be reformer and supporter of the European Union, won the French presidential election. (AP Photo/Koji Sasahara)

A screen shows the world stock index with the reflection of a worker cleaning a window at the Hong Kong Stock Exchange, Friday, May 5, 2017. Oil prices stabilized in Asian trading Friday after hitting a five-month low while regional stock benchmarks headed lower in holiday-thinned trading. (AP Photo/Kin Cheung)

FILE - In this Friday, Nov. 13, 2015, file photo, the American flag flies above the Wall Street entrance to the New York Stock Exchange. U.S. stocks are mixed early Thursday, Jan. 25, 2018, as health care companies including Biogen and Celgene rise, but airlines continue to take steep losses as investors worry about rising costs and the possibility of falling fares. The dollar is weakening further as the U.S. currency remains at three-year lows. (AP Photo/Richard Drew, File)