This April 7, 2014, file photo shows the Alcoa logo in the lobby of the company's headquarters in Pittsburgh. Alcoa reported its financial results on Tuesday, Oct. 11, 2016.
This April 7, 2014, file photo shows the Alcoa logo in the lobby of the company's headquarters in Pittsburgh. Alcoa reported its financial results on Tuesday, Oct. 11, 2016. Gene J. Puskar AP
This April 7, 2014, file photo shows the Alcoa logo in the lobby of the company's headquarters in Pittsburgh. Alcoa reported its financial results on Tuesday, Oct. 11, 2016. Gene J. Puskar AP