As the U.S. stock market soars to fresh record highs this week, investors say a powerful corporate profit engine, a reset in high-flying AI shares and still-reasonable valuations can further fuel the rally. The benchmark S&P 500 on Tuesday posted its first record closing high in two months. In between, swoons in high-flying semiconductor and other technology shares weighed down indexes, but stocks gained sharply in recent days, boosted by signs of calming U.S.-Iran tensions. Markets are also…
