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.

• Guggenheim analyst Howard Ma downgraded the rating for Commvault Systems, Inc. (NASDAQ:CVLT) from Buy to Neutral. CommVault shares gained 0.7% to close at $163.91 on Monday. See how other analysts view this stock.
• Keybanc analyst Jeffrey Hammond downgraded Lennox International Inc. (NYSE:LII) from Overweight to Sector Weight. Lennox shares gained 0.4% to close at $606.64 on Monday. See how other analysts view this stock.
• Benchmark analyst Kurt Hallead downgraded the rating for Noble Corporation plc (NYSE:NE) from Buy to Hold. Noble shares fell 2.7% to close at $34.92 on Monday. See how other analysts view this stock.
• Mizuho analyst Anthony Crowdell downgraded American Water Works Company, Inc. (NYSE:AWK) from Outperform to Neutral but raised the price target from $131 to $140. American Water Works shares gained 1.1% to close at $140.37 on Monday. See how other analysts view this stock.
• Macquarie analyst Robert Stein downgraded the rating for Arcadium Lithium plc (NYSE:ALTM) from Outperform to Neutral and announced a $5.85 price target. Arcadium Lithium shares fell 0.4% to close at $5.54 on Monday. See how other analysts view this stock.

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