Even the experienced traders make mistakes. However new traders make more mistakes due to lack of experience and roller coaster of emotions.
Let's see some very common mistakes.
1. Over Trading
When your conviction is weak, you must resist the impulse to trade every strategy and every chance.
There will always be more opportunities.
2. Not respecting stoploss
You need to be ready with an exit plan if the trade goes wrong. Proper risk management needs to be followed to preserve capital and last longer in the markets.
3. Gambling
Trading isn't a game of chance.
You must have a trading strategy that you adhere to with zeal.