BRIEF-Alcoa files preliminary proxy statement
July 27, 2016 at 18:06 PM EDT
* Alcoa Inc files preliminary proxy statement related to vote on proposal to authorize co's board to effect reverse stock split of shares at ratio of 1-for-3 Source text: (http://bit.ly/2aikkGT) Further company coverage: (Bengaluru Newsroom: +1-646-223-8780)