LONDON (Reuters) - The two-week dollar rally ran out of steam in European trade on Wednesday as investors awaited U.S. consumer inflation data which could reinforce expectations that U.S. interest rates are set to rise steadily. Earlier during the session, the greenback hit seven-month highs against an index of currencies. Investors were caught off guard after the Hong Kong Monetary Authority said it would tweak the territory's currency peg to fend off upward pressure on the Hong Kong dollar from speculation over possible revaluation of the Chinese yuan. The HKMA said it would refine the operation of its exchange rate...