keywords: mci mcip investment stake leucadia
text: Investment firm Leucadia holds about 5 pct of MCI WASHINGTON, Aug 17 (Reuters) - Investment company Leucadia National Corp. (LUK.N: Quote, Profile, Research) said on Tuesday it had bought a 4.96 percent stake in MCI Inc. (MCIP.O: Quote, Profile, Research) for about \$245.9 million. 