European stocks extended their losses on Thursday, with the STOXX 50 falling 1.1% and the STOXX 600 down 0.9%, as investors digested a fresh batch of corporate earnings while surging oil prices and escalating hostilities in the Middle East continued to weigh on sentiment. As expected, the ECB left interest rates unchanged. STMicroelectronics tumbled more than 16%, making it the worst performer in the STOXX 600 after missing profit expectations. Nestl