Renaissance Technologies News

LeCroy Corp., a global oscilloscope and communications protocol analyzers company, rose 55% Tuesday, the most of all gurus' stocks.

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Dan Loeb founded the New York-based hedge fund Third Point in 1995. Currently, the fund has approximately $7.5 billion AUM.

Jim Simons' Renaissance Technologies hedge fund has just released its 13F , outlining the structure of its investment portfolio.

Jim Simons is one of the best hedge fund managers in the world. Under his management, Renaissance Technologies has delivered stunning returns since inception.

Healthcare costs have been on the rise. Annual medical costs increased almost 35% from 2006 to 2010, with healthcare spending rising 8% a year .

The companies that have long-term competitive advantage tend to have higher Gross Margin than those that don't. Gross margin shows the percentage of surplus generated per unit of the product or service sold.

Some investors avoid investing in certain sectors, like the tobacco industry, because of uncertainty over what will happen with regard to external factors like regulation and consumer preferences.

The University of California, Berkeley has been chosen for a new center for computer science funded by the Simons Foundation.