Shanghai Baosteel Packaging's low P/E ratio is likely due to investors' expectations of limited future growth. Shareholders anticipate that future earnings may not provide any pleasant surprises, potentially limiting a strong rise in the share price.

Market sentiment was overly optimistic, with EPS fall not matching drastic share price drop. Any opportunity would depend on long-term growth as per company's fundamental data. Investors, be wary of the associated 1 warning sign with Shanghai Baosteel Packaging.