#StopLossStrategies An upgrade refers to a positive change in an analyst's outlook on a security's value.
* Upgrading a security usually means it gets a higher ranking, often because of info that suggests the security's financial value has increased.
* In portfolio management, 'upgrade' can also mean improving the portfolio's risk profile by adding reliable stocks and removing risky ones.
* Analysts at brokerage houses issue upgrades for stocks and fixed-income securities. Rating agencies like Standard & Poor's upgrade credit ratings for companies that issue debt.
