Vetr Crowd Upgrades Arconic To 4.5 Stars, Strong Buy Rating By: Benzinga via Benzinga July 27, 2017 at 09:59 AM EDT Vetr upgraded Arconic Inc. (NYSE: ARNC) from 4 to 4.5 stars. Arconic's stock has traded up over 16.7 percent over the past month, ... Read More >> Related Stocks: Arconic Corp