There are many significant things to keep in mind when checking for stock's performance.
Step-by-step explanation:
One of the more important parameters of the performance of a stock is to look at its Total returns.
While a company may be showing good returns at first, you must consider returns from the date of start of investment to the present to see if it has been constantly profitable or not.
If it has, there is a high chance that it will be less volatile and profit you too.
Compare the return of the company to other market trend and its own peers.
Then finally she can see the competitors and how they have fared in a stock quote.