The article discusses major analyst calls on wall street, including downgrades and upgrades for various companies like goldman sachs, nvidia, salesforce, and amazon, along with insights on their earnings and market outlook.

Downgraded to market perform by KBW due to valuation concerns.

goldman sachs reiterates its buy rating following a mixed earnings report.

Bank of America raised its price target and reiterates it as a top pick.

Citi reiterates its buy rating for amazon following the introduction of Alexa+.

Barclays reinstates coverage with a neutral rating.