July 30 (Reuters) - Sierra Metals Inc SMT.TO :
* SIERRA METALS REPORTS Q2-2018 FINANCIAL RESULTS AT ITS SOCIEDAD MINERA CORONA SUBSIDIARY IN PERU
* QTRLY REVENUES INCREASED 18% TO US$44.8 MILLION AT CORONA
* QTRLY TOTAL TONNES PROCESSED INCREASED 19% TO 283,450 AT CORONA
* SAYS Q2 EARNINGS PER SHARE $0.37 AT CORONA