On Thursday, the aluminum sector rose, with Alcoa Corporation (AA.US) up nearly 5%, Century Aluminum Company (CENX.US) up over 4.6%, and Kaiser Aluminum Corporation (KALU.US) up over 1.1% at the time of writing. Prior to this, Wolfe Research analyst Timna Tanners upgraded Alcoa Corporation to a "buy" rating with a target price of $36.