MarkWest Energy Partners, L.P. (NYSE:MWE) inched up 1.05% in last session as the firm reported a raised Q3 cash distribution too $0.89 per common unit, up from $0.88. Achieving the mid-point of these revised ranges would result in year-over-year DCF growth of 43% and year-over-year Adjusted EBITDA growth of 44%. Due to accelerating gas volumes from producer customers, utilization of the Partnership's processing and fractionation assets in the Northeast continues to increase. MarkWest Energy Partners, L.P. (NYSE:MWE) stock has highest price of $73.70 in last session, beginning with a price of $71.69 and reported an increase of 1.05% to the closed at $72.26 with a day range of $70.93-$73.70.CarMax Inc. (NYSE:KMX) recently announced that that its BOD has permitted a $2B expansion of the firm's share buyback program, for an aggregate share repurchase approval of $3.8B since the initial announcement of the program in October 2012. CarMax Inc. (NYSE:KMX) stock hit highest price at $53.91, beginning with a price of $52.71 and reported a gain of 1.61% to the closed at $53.58 with a day range of $52.32-$53.91. The total market capitalization remained 11.541 Billion, total volume of 2.16 Million shares held in the session was surprisingly higher than its average volume of 1819.67 shares.J. C. Penney Company, Inc. (NYSE:JCP) plunged 1.18% in previous trading session as firm recently has deposited funds in the amount of $63,849,262.50 with Wilmington Trust, National Association. As Trustee under the Indenture with respect to J. C. Penney's 6.875% Medium-Term Notes due 2015, to effect a legal defeasance of the Notes as permitted by the terms of the Notes and the Indenture. Shares of J. C. Penney Company, Inc. (NYSE:JCP) traded at $7.59 by plunging -1.81% with price volatility of 4.98% for a week and 6.46% for a month. Its beta stands at 1.94 times.