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Upgrades: Estacio Participacoes SA (SAO: ESTC3) upgraded from Equal to Overweight, price target remains at $25, 2010 EPS raised to $1.15 (from $1.12), 2011 raised to $1.32 (from $1.15). Downgrades: Adobe Systems (NASDAQ: ADBE) downgraded to Equal from Overweight, price target remains at $42....