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

• B of A Securities analyst Craig Siegenthaler upgraded the rating for Nasdaq, Inc. (NASDAQ:NDAQ) from Underperform to Buy and raised the price target from $53 to $90. Nasdaq shares gained 2.9% to trade at $73.52 on Wednesday. See how other analysts view this stock.
• Keybanc analyst Jeffrey Hammond upgraded nVent Electric (NYSE:NVT) from Sector Weight to Overweight and announced a price target of $80. nVent Electric shares gained 0.7% to trade at $63.79 on Tuesday. See how other analysts view this stock.
• Morgan Stanley analyst Stephen Grambling upgraded the rating for Boyd Gaming Corporation (NYSE:BYD) from Equal-Weight to Overweight and increased the price target from $66 to $74. Boyd Gaming shares rose 2.8% to trade at $61.06 on Tuesday. See how other analysts view this stock.
• TD Cowen analyst Andrew Charles upgraded Sweetgreen, Inc. (NYSE:SG) from Hold to Buy and boosted the price target from $31 to $43. Sweetgreen shares gained 5.7% to trade at $30.95 on Tuesday. See how other analysts view this stock.
• Morgan Stanley analyst Joseph Moore upgraded the rating for Astera Labs, Inc. (NASDAQ:ALAB) from Equal-Weight to Overweight and maintained the price target of $55. Astera Labs shares gained 2.9% to close at $40.26 on Tuesday. See how other analysts view this stock.

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