RIYADH: Saudi Arabian Oil Co. briefly displaced tech giant Microsoft to become the world’s second-largest company by value at SR7.92 trillion ($2.11 trillion) as the company’s stock prices hit SR36.15 on Wednesday. By the close of trading, the share price had dropped to SR36 — the same value as at the market opening. By 1:45 p.m. GMT, the US firm had climbed back into second