News

Imperva Inc (NYSE:IMPV) shares were up 12.41% to $45.46 after the market close and an additional 0.09% in after-hours trading on Tuesday after SEC filings revealed that hedge fund Elliott Associates made a major investment in the cybersecurity company. Imperva has a market cap of $1.47 billion at 32.26...

American Science & Engineering, Inc. (NASDAQ:ASEI) shares were up 14.04% to $36.58 following reports that the company will be bought by OSI Systems for $269 million in cash. The company has a market cap of $269.78 million at 7.13 million shares outstanding so the acquisition deal could essentially double...

EXCO Resources Inc (NYSE:XCO) shares were up 9.57% to $1.26 on Monday following a wave of risk-taking and higher energy prices. The company has a market cap of $375.74 million at 282.65 million shares outstanding, with its stock trading in a 52-week range of $0.48 to $1.94. West Texas Intermediate...

Natural Resource Partners LP (NYSE:NRP) shares rose to $18.12 and posted an additional 0.17% gain in after-hours trading on Monday. The company has previously announced a sale of its non-operated oil and gas working interest assets for $116.1 million. Natural Resource Partners owns, operates, manages and leases a portfolio of mineral properties...

Cerus Corporation (NASDAQ:CERS) shares closed at $6.14 on Tuesday after the company gained financial support of up to $180 million from the U.S. Biomedical Advanced Research and Development Authority. With this agreement, the company can  continue to develop its Intercept Blood System, using the funds to support continued clinical development of...