By Dan Weil Longtime high-flying tech giant has been toppled from its position as the most valuable company in the world by a distinctly old-fashioned industrial company. Apple (AAPL) – Get Apple Inc. Report may dominate the market for smart phones, but it’s no longer the biggest company in the world by market capitalization. Saudi Arabia’s giant oil company Saudi Aramco took that honor from Apple Wednesday, when Aramco’s market-cap stood at $2.43 trillion, compared to $2.37 trillion for Apple. Aramco shares trade on the Saudi Tadawul stock exchange in riyals. The company has benefited from th…