A stock broker's recommendations are aimed at generating commissions rather than increasing a client's wealth. Brokers base their advice on short-term trends which can reverse, and circulate the same recommendations to all clients without considering individual risk profiles or existing portfolios. Clients should not fully trust a broker's advice on when to buy, sell, or how much to invest in any one stock, as the broker's goal is completing trades, not optimal returns or risk management for the client.