Investors in the coming week will seek clues about the likelihood of impending interest-rate hikes and early signs of a pivotal earnings season as they gauge the strength of the U.S. stock market’s rally. The second half of 2026 kicked off this week much the same as the first half ended, with rocky performances of heavyweight technology shares swaying major indexes. Minutes from last month’s eventful Federal Reserve meeting, as well as earnings from Delta Air Lines (DAL.N), and PepsiCo…