Equity returns are non linear just like progress.
A stock may sit dull for 3-4 years and double the very next year.
Matured investors know this.
Amateur investors always want to see their stock prices going up. The moment it’s down, they curse the company, portfolio manager & analysts, get frustrated and lose all the hopes.
If change in price changes your perception for a particular stock, then you’ve got a lot to learn about valuations, business and behavioural finance.