Bernstein BP analyst upgrade Analyst Actions: BP Upgraded to Outperform Rating at Bernstein; Shares Edge Higher in Pre-Market Trading 08:19 AM EDT, 09/10/2015 (MT Newswires) -- Oil and gas company BP (BP) has been upgraded by analysts at Bernstein to an outperform rating from market perform. Price target information was not available. Shares of BP edged 0.26% higher to $30.98 in Thursday's pre-market trading, moving within a 52-week range of $30.53 - $46.91. Price: 30.94, Change: +0.04, Percent Change: +0.13 http://www.mtnewswires.com Copyright © 2015 MTNewswires. All rights reserved. MT Newswires does not provide investment advice. Unauthorized reproduction is strictly prohibited.