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 Jessica Ehrlich upgraded the rating for Charter Communications Inc (NASDAQ:CHTR) from Neutral to Buy and raised the price target from $385 to $450. Charter Communications shares closed at $366.49 on Friday. See how other analysts view this stock.
• Northcoast Research analyst Ryan Connors upgraded Watts Water Technologies Inc (NYSE:WTS) from Neutral to Buy and announced a $225 price target. Watts Water Technologies shares closed at $193.68 on Friday. See how other analysts view this stock.
• Jefferies analyst Samad Samana upgraded the rating for Vertex Inc (NASDAQ:VERX) from Hold to Buy and increased the price target from $35 to $50. Vertex shares closed at $42.17 on Friday. See how other analysts view this stock.
• Barclays analyst Tim Long upgraded Keysight Technologies Inc (NYSE:KEYS) from Equal-Weight to Overweight and raised the price target from $158 to $180. Keysight shares closed at $151.55 on Friday. See how other analysts view this stock.
• Morgan Stanley analyst Matthew Cost upgraded the rating for Roblox Corp (NYSE:RBLX) from Equal-Weight to Overweight and raised the price target from $38 to $65. Roblox shares closed at $51.44 on Friday. See how other analysts view this stock.

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