Benzinga's Volume Movers

Xyratex XRTX shares moved up 26.89% to $13.26. The volume of Xyratex shares traded was 11058% higher than normal. Seagate Technology Plc STX announced its plans to buy Xyratex for around $374 million in cash. United Therapeutics UTHR shares rose 22.55% to $107.65. The volume of United Therapeutics shares traded was 1074% higher than normal. United Therapeutics announced the FDA approval of Orenitram Extended-Release Tablets for the treatment of pulmonary arterial hypertension. JP Morgan upgraded the stock from Underweight to Neutral and raised the target price from $62 to $90. YRC Worldwide YRCW shares climbed 19.05% to $17.82. The volume of YRC Worldwide shares traded was 340% higher than normal. YRC Worldwide reached an agreement to cut debt by $300 million. Carnival plc CUK surged 1.85% to $40.21. The volume of Carnival shares traded was 289% higher than normal. Carnival's PEG ratio is 1.67.