Top Wall Street analysts changed their outlook on these top names. For a complete view of all analyst rating changes, including upgrades, downgrades and initiations, please see our analyst ratings page.

• JP Morgan analyst Adrian Heurta downgraded Martin Marietta Materials, Inc. (NYSE:MLM) from Overweight to Neutral and lowered the price target from $640 to $560. Martin Marietta Materials shares closed at $488.19 on Tuesday. See how other analysts view this stock.
• Ladenburg Thalmann analyst Paul Fremont downgraded the rating for Public Service Enterprise Group Incorporated (NYSE:PEG) from Buy to Neutral. Public Service Enterprise shares closed at $82.17 on Tuesday. See how other analysts view this stock.
• Citigroup analyst James Hardiman downgraded THOR Industries, Inc. (NYSE:THO) from Buy to Neutral and lowered the price target from $94 to $86. Thor Industries shares closed at $81.80 on Tuesday. See how other analysts view this stock.
• UBS analyst Gregg Orrill downgraded PG&E Corporation (NYSE:PCG) from Buy to Neutral and lowered the price target from $22 to $19. PG&E shares closed at $17.20 on Tuesday. See how other analysts view this stock.
• TD Securities analyst Jason Gabelman downgraded the rating for BP p.l.c. (NYSE:BP) from Buy to Hold and slashed the price target from $40 to $36. BP shares closed at $33.39 on Tuesday. See how other analysts view this stock.

Considering buying BP stock? Here's what analysts think:

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