Some of the more interesting and important items for May 25th :

• LinkedIn investors need to do the math Mark Hulbert – MarketWatch – Here is today’s math quiz:<br />
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  How fast must LinkedIn’s earnings grow to justify its current price?<br />
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  The answer is a matter of simple mathematics. And yet, few have bothered to do the calculations.<br />
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  Which is surprising. You can debate forever where you think LinkedIn’s stock should be trading, but one thing LinkedIn cannot do is overcome the laws of arithmetic.
• What the insiders are telling us Mark Hulbert – MarketWatch – CHAPEL HILL, N.C. (MarketWatch) — It’s hard to put a smiley face on the stock market’s recent correction, which has already caused the month of May to be the worst for equities since last August.
• Goldman’s Big Short Is Levin’s Big Target – Bloomberg – It has been almost a year since Goldman Sachs Group Inc. (GS) agreed to pay $550 million in a settlement with the Securities and Exchange Commission relating to the creation and sale of Abacus 2007-AC1, a squirrelly synthetic collateralized-debt obligation that could only have been designed in the first decade of the new millennium. Now the firm is facing a whole new round of litigation.
• Zynga Is Said to Plan IPO by End of June – Bloomberg – Zynga Inc., the biggest maker of games on Facebook, may file for an initial public offering by the end of June to capitalize on investors’ demand for shares of social-media startups, a person familiar with the plans said.
• Chinese Stocks in U.S. Plunge on Accounting – Bloomberg – Jim Chanos, the hedge-fund manager known for predicting Enron Corp.’s 2001 collapse, says he’d short sell Chinese companies listed in the U.S. if it were feasible to borrow shares to open the bearish positions.
• 500 Internal Server Error – 500 Internal Server Error