Stocks Extend Rally For 4th Session (SHAW, CDTI, VRML, ATPG, OCZ)

U.S. stocks extended rally for the fourth straight session on Monday ahead of anticipated central-bank talk in the days ahead. Dow Jones Industrial Average (INDEXDJX:.DJI) was up 38 points to 13,114.10, extending its 4-day rally to about 4%. S&P 500 rose +4.05 (0.29%) to 1,390.02 and Nasdaq gained +5.36 (0.18%) to 2,963.45. Following are the biggest percentage gainers at opening session :-

ATP Oil & Gas Corporation (NASDAQ:ATPG) shares gained 20.71% to $1.69. The 52 week trading range for the company is $1.22 - $15.08. The shares of the company have plunged over 88% in the last one year. The company is engaged in the acquisition, development and production of oil and natural gas properties.

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Vermillion, Inc. (NASDAQ:VRML) stock increased 11.22% to $2 in the early hour after the company announced positive results from a new prospective, multi-center clinical study of its ovarian cancer diagnostic OVA1. The study, referred to as OVA500, was led by Dr. Robert E. Bristow, director of Gynecologic Oncology Services at UC Irvine Healthcare in Orange, CA, and deputy editor of the journal Gynecologic Oncology.

The Shaw Group Inc. (NYSE:SHAW) stock surged 59.65% to $42.61 after the company announced it has signed a definitive merger agreement with CB&I, under which CB&I will acquire Shaw in a cash and stock transaction valued at approximately $3 billion. Under the terms of the agreement, CB&I will acquire Shaw for $46.00 per share in cash and stock. Shaw's shareholders will receive $41.00 in cash and $5.00 in CB&I equity for each share of Shaw stock at closing.

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Clean Diesel Technologies, Inc. (NASDAQ:CDTI) shares climbed 45.71% to $3.06 in the early hour after the company said it is pleased to announce that it has begun supplying catalysts for next-generation four- and six-cylinder Honda Accord models. The Company expects to announce additional model programs in 2013 as it continues close collaboration with Honda on other high-performance six-cylinder and hybrid vehicle applications.

OCZ Technology Group Inc. (NASDAQ:OCZ) shares increased 2.75% to $7.28 after the company announced that the company's new state-of-the-art manufacturing facility in Taipei, Taiwan has achieved ISO 9001: 2008 certification from the International Organization for Standardization (ISO). This independent certification from ISO demonstrates OCZ's commitment to quality and reinforces that the company's newly consolidated manufacturing facility has met ISO's stringent qualifications.