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 Marcelo Santos upgraded the rating for Telecom Argentina S.A. TEO from Underweight to Neutral and raised the price target from $10 to $13. Telecom Argentina shares closed at $12.10 on Monday. See how other analysts view this stock.
• BMO Capital analyst Ameet Thakkar upgraded the rating for Quanta Services, Inc. PWR from Market Perform to Outperform but lowered the price target from $338 to $316. Quanta Services shares closed at $259.36 on Monday. See how other analysts view this stock.

Considering buying TEO stock? Here’s what analysts think:

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