How could Warren Buffet evaluate a stock in 1 minute to have a brief but solid idea?

Subject : How could Warren Buffet evaluate a stock in 1 minute to have a brief but solid idea?

Generally speaking,

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During Peaceful, Bullish Economy and Market :

PE < ROIC , is considered Undervalued

PE > ROIC , is considered Overvalued

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During Unpeaceful, Bearish Economy and Market,

PE < ROA , is considered Undervalued

PE > ROA , is considered Overvalued

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Regardless of the time, there always happens mispricing opportunities where some stocks go Extremely Undervalued, the contrarians will not let go of these Extreme Contrarian Opportunities.

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How could Warren Buffet evaluate a stock in 1 minute to have a brief but solid idea?

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He looks for high digits of ROA and ROIC :

— compared them to 10Y Government Bond Yield to conclude quality of profitability & company value constructiveness.

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— compared them to P/E to conclude for undervalueness, pay less for more valuable, by :

P/E÷ROIC Weight Ratio

&

P/E÷ROA Weight Ratio