Apple's market capitalization has settled into a stable position over that of Exxon Mobil, giving it an unambiguous ranking as the world's most valuable corporation. On Tuesday the situation was more uncertain, with Apple initially taking the top spot only to have Exxon regain the position. Apple was in the lead by the close of US trading though, and as of this writing on Wednesday the company's cap is sitting at $345.74 billion, noticeably ahead of Exxon's $341.47 billion.
