원유가격&nbsp;연동제&nbsp;시행으로<br/><br/>가격인상이&nbsp;불가피해진&nbsp;상황에서<br/><br/>인상계획이&nbsp;없다고&nbsp;밝혓지만&nbsp;결국인상수순을<br/><br/>밟으면서&nbsp;주가하락도&nbsp;탄력받을듯