SBWire

Amtech Systems, Inc. is under investigation over potential securities laws violations in connection with certain financial statements.

An investigation for investors in NYSE:AON shares over potential breaches of fiduciary duties at Aon Corporation was announced and NYSE:AON stockholders should contact the Shareholders Foundation.

An investor in China Natural Gas, Inc. (PINK:CHNG) filed a lawsuit over alleged securities laws violations. Deadline: June 19, 2012 and PINK:CHNG investors should contact the Shareholders Foundation.

An investigation on behalf of investors in NASDAQ:SABA shares over potential breaches of fiduciary duties by certain officers and directors of Saba Software, Inc. was announced and Saba NASDAQ:SABA stockholders should contact the Shareholders Foundation.

An investigation for investors in NYSEAMEX:HUSA shares over possible securities laws violations by Houston American Energy Corporation was announced and AMEX:HUSA stockholders should contact the Shareholders Foundation at mail@shareholdersfoundation.com

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An investigation for investors in NYSEAMEX:DGSE shares over potential securities laws violations by DGSE Companies, Inc. was announced and AMEX:DGSE stockholders should contact the Shareholders Foundation.

An investor in NYSE:MSO shares filed a lawsuit in effort to block a proposed vote to increase the number of shares in a stock option plan and other NYSE:MSO stockholders should contact the Shareholders Foundation.

Investigation on behalf of investors in Cobalt International Energy, Inc. (NYSE:CIE) shares over potential wrongdoing by certain officers and directors of Cobalt International Energy, Inc. was announced and NYSE:CIE stockholders should contact the Shareholders Foundation.

An investigation for shareholders of KB Home (NYSE:KBH) possible securities laws violations was announced and NYSE:KBH stockholders should contact the Shareholders Foundation.

Current Long-term investors of Apollo Group, Inc. (NASDAQ:APOL) should contact the Shareholders Foundation.

An investigation on behalf of investors in NASDAQ:LAYN shares over potential wrongdoing by certain officers and directors of Layne Christensen Company was announced and NASDAQ:LAYN stockholders should contact the Shareholders Foundation.

The class was certified in the lawsuit by filed investors in Bank of America Corp (NYSE:BAC) over the acquisition of Merrill Lynch & Co., Inc. in 2009 and investors with a large investment in NYSE:BAC should contact the Shareholders Foundation.

A lawsuit was filed for investors in NASDAQ:EFSC shares over alleged securities laws violations by Enterprise Financial Services Corp. Deadline: June 11, 2012. NASDAQ: EFSC stockholders should contact the Shareholders Foundation.

An investor in shares of Delta Petroleum Corp. (PINK:DPTRQ) filed a lawsuit against certain officers and directors over alleged securities laws violations. Deadline: June 18, 2012. Stockholders in Delta Petroleum Corp. should contact the Shareholders Foundation.

An investigation on behalf of investors of Catalyst Health Solutions, Inc. (NASDAQ:CHSI) in connection with the takeover was announced and NASDAQ:CHSI stockholders should contact the Shareholders Foundation.

An investigation on behalf of investors of Knology, Inc. (NASDAQ:KNOL) in connection with the takeover was announced and NASDAQ:KNOL stockholders should contact the Shareholders Foundation.

An investigation on behalf of investors of SRS Labs, Inc. (NASDAQ:SRSL) in connection with the takeover was announced and NASDAQ:SRSL stockholders should contact the Shareholders Foundation.

An investigation for shareholders of Orbital Sciences Corp (NYSE:ORB) over possible securities laws violations was announced and NYSE:ORB stockholders should contact the Shareholders Foundation.

An investigation for current long-term investors in Sprint Nextel Corporation (NYSE:S) shares over potential breaches of fiduciary duties by certain officer and directors was announced and NYSE:S stockholders should contact the Shareholders Foundation.

An investigation for NASDAQ:VPHM investors over potential securities laws violations by Viropharma Inc was announced and NASDAQ:VPHM stockholders should contact the Shareholders Foundation.

An investigation for shareholders of KIT digital, Inc. (NASDAQ:KITD) over possible securities laws violations was announced and NASDAQ:KITD stockholders should contact the Shareholders Foundation.

The class was certified in the lawsuit by filed investors in Bank of America Corp (NYSE:BAC) over the acquisition of Merrill Lynch & Co., Inc. in 2009 and investors with a large investment in NYSE:BAC should contact the Shareholders Foundation.

An investigation for investors who purchased in the November 2011 IPO of Groupon over potential breaches of fiduciary duties was announced and those NASDAQ:GRPN stockholders should contact the Shareholders Foundation.

An investigation on behalf of current long term investors in Columbia Laboratories Inc. (NASDAQ:CBRX) shares over possible breaches of fiduciary duty by certain officers and directors was announced and NASDAQ:CBRX stockholders should contact the Shareholders Foundation.

Investigation on behalf of investors in NASDAQ:LAYN shares over potential wrongdoing by certain officers and directors of Layne Christensen Company was announced and NASDAQ:LAYN stockholders should contact the Shareholders Foundation.