SAN FRANCISCO, CA--(Marketwired - May 1, 2013) - Vista Partners ("Vista") announced today that it published its FREE macroeconomic/small cap oriented monthly newsletter for the month of May. Each monthly newsletter from Vista contains macroeconomic thoughts from Principal Analyst, Ross Silver, and monthly highlights of each covered small cap company.

In the May 2013 Macroeconomic & Investment Newsletter, Mr. Silver states, "Power Solutions International Inc. (OTCQB: PSIX) hit at a new 52-Week high of $28.95 yesterday and their stock price has risen 64% since we initiated coverage on January 15, 2013. In addition, recent initiation ECOtality, Inc. (NASDAQ: ECTY) is up 94% since we initiated coverage two weeks ago and Mast Therapeutics, Inc. (NYSE MKT: MSTX) is up 21% year to date." Mr. Silver also states, "As for the equity markets, the music indeed plays on. Year to date all of the major indexes including the Russell 2000 are up double digits. The S&P 500 hit an all-time high of $1596 our list of covered companies is up 18% year to date. Breaking down the psychology of the current bull market one will find that the majority of the performance is coming from defensive names, in particular, Consumer Staples."

To read more, please download the FREE May 2013 Macroeconomic & Investment Newsletter available at http://www.vistapglobal.com and click "Download Research & Newsletter" to gain access.

The Companies featured in the FREE May 2013 Newsletter are: Acorn Energy, Inc., Mast Therapeutics, Inc. (NYSE MKT: MSTX), Algae.Tec Limited, Auxilio Inc., Digital Cinema Destinations Corporation, Ohr Pharmaceutical, Inc. (OTCQB: OHRP), PositiveID Corporation, ECOtality, Inc (NASDAQ: ECTY) and Power Solutions International Inc. (OTCQB: PSIX). Other companies mentioned are General Motors, Roche, Novartis, Selexys, Regeneron, Pfizer, Aramark, Lufthansa and others.

About Vista Partners:
Vista Partners LLC, founded in 2005, is a Registered Investment Advisor in the States of California and Oregon. The firm's professional staff has backgrounds in finance, corporate communications and investment banking.

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We encourage readers to view a complete list of disclaimers and disclosures on our website: www.vistapglobal.com.