Hello everyone! Today i want to share some trading skills with you!1.ROE vs ROA vs ROIC vs ROCEWhat's the difference? $SPDR S&P 500 ETF Trust(SPY)$ 2.High-quality revenue: →Recurring →High Margin →Recession-Proof →Becomes Cash Low-quality revenue: →One Time →Low Margin →Cyclical → Become Accounts ReceivableHigh-quality revenue is 10x more valuable than low-quality revenue3.What's safe in the short term is risky in the long term.What's risky in the short term is safe in the long term.Follow me to learn more about analysis!!