The principal is always the top priority; without money, waiting for a rebound is pointless, so it is crucial to protect your principal. It is better to stop losses than to face liquidation, and you should avoid frequently opening positions that lead to wear and tear.
A 10% drop requires a 12% increase to break even;
A 20% drop requires a 25% increase to break even;
A 30% drop requires a 41% increase to break even;
A 40% drop requires a 67% increase to break even;
A 50% drop requires a 100% increase to break even.