Tianneng Battery Group's low P/E ratio is due to its poor earnings outlook. Shareholders accept this, acknowledging future earnings may not bring pleasant surprises. These conditions form a barrier for the share price.

Tianneng Battery Group's strong financials and efficient reinvestment hint at potential long-term value increase, despite recent share price drop. However, future earnings are expected to gain momentum, a factor for investors to consider.

In spite of the short-term decline, Tianneng Battery Group's solid ROE and effective reinvestment show potential for long-term growth. With the start of dividends and positive analysts' predictions, the company's future looks promising.