Plains All American withdraws $1 billion offer for SemGroup
Plains All American Pipeline LP, the pipeline company that ships more than 3 million barrels a day over its network, withdrew a $1 billion unsolicited offer to buy rival SemGroup Corp. after being rebuffed by the board.
Great Plains Exploration Inc. and RedStar Oil & Gas Inc. have announced an agreement under which Great Plains will take over RedStar in an all-stock transaction valued at about $30 million.