The(SGX: ^STI) pushed past 4,300 points to reach record highs in September 2025. From defense and aerospace to property and technology manufacturing, three companies prove that opportunities abound across different sectors of Singapore’s economy. (SGX: S63),(SGX: U11), and(SGX: V03) emerged as the month’s top performers among Singapore’s blue-chip universe, each riding distinct tailwinds that demonstrate why stock selection still matters. Singapore Technologies Engineering: 13% in Total ReturnsSingapore Technologies Engineering, or ST Engineering delivered quite a turnaround – the conglomerate was among the worst performers in August 2025. For the first half of 2025 (1H2025), the group delivered robust results....