點會冇意義,p/e高三成,earning growth最後真係有30%,咁即係話市場已經 priced in咗個 earning growth,你買嘅時候已經賺唔到嚟緊呢年嘅earning growth,要嚟緊呢年嘅earnings growth 超過30%呢個預期先可以再賺到錢
Earnings growth係唔會只得一年,如果個預期 earning growth係正確嘅咁都唔會有咩大問題。但growth stock會被overestimate earnings growth呢樣嘢已經係well documented, 即係投資者俾貴咗買咗過高嘅預期。兼且加息會增加未來 earning嘅 discount rate, 對於所有 earning都幾乎係未來嘅 growth stock嚟講,加息嘅影響對佢哋更加大
Value stock相反經常地 earning growth會被underestimated ,所以經常地可以超越預期,從而令投資者賺多啲錢。呢點由以前Benjamin Graham 講到現代 Fama and French 攞埋諾貝爾獎。你可以拗點解會有value > growth呢個現象,但個現象嘅存在就係empirical fact嚟唔使拗
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