Abnormal movements in US stocks | Steel stocks and aluminum stocks surge, Century Aluminum (CENX.US) rises over 28%

According to Sina Finance APP, on Monday, steel stocks and aluminum stocks surged. Century Aluminum (CENX.US) rose more than 28%, Cleveland-Cliffs (CLF.US) rose more than 21%, Nucor (NUE.US) and Steel Dynamics (STLD.US) rose more than 10%. On the news front, U.S. President Trump said on the 30th local time that he will increase the tariff on imported steel from 25% to 50%.