Answer:
A limit -sell order
Step-by-step explanation:
A limit -sell order can be defined as an order to sell a stock at a particular price which is why a sell limit order can be executed at either the limit price or higher price .
Hence A limit order enables an individual to either make purchase or sell a security at a particular or specific price or much better price Although limit orders can often be made available for either buying or selling transaction.
Therefore based on the information given Your gains may be protected by placing a LIMIT -SELL ORDER.