Sun Life Financial reported a profit increase driven by strong performance in both Canada and the U.S., surpassing market expectations. The company's shares rose by 1.28% in premarket trading as investors adjusted their positions ahead of the U.S. election. The positive momentum continued, with Sun Life's stock reaching an all-time high, attributed to fee-income gains in its U.S. segment. Meanwhile, Steel Dynamics also saw a premarket rise of 1.35% as U.S. stock markets awaited election results.