What qualities are required to become successful in the stock market?

Patience and Discipline in trading should be there to become successful in the stock market.

No qualities required !

•  You need one trading setup with more than 60 percent sucess rate 
• Consistency
• Risk management 
• Position sizing 
• Good psychologycal approach
• Done

• Ready for continuous learning (market teaches new lessons always)
• Willing to Accept the mistakes (Closing the position when SL hits)
• Must have the patience to wait for the opportunity (shouldn't take the trade based on what we think, have to enter into a trade when it falls into our setup)
• Following the risk & money management (knowing risk, how much you are willing to lose for that particular trade) 
• Having the proper setup (Strategy or Analysis)
• Focusing on Monthly/Yearly ROI rather Daily

Patience, Fully backtested strategy and Risk Management without emotions.

Basically need to follow these steps 

1. Trust on the setup
2. Risk management
3. Patience
4. No over trading