If you are looking for clues telling you which stocks have a good chance of increasing in value, you might want consider watching what insiders are doing. After all, talk is cheap, but when insiders put their own money on the line, you should sit up and take note.

Calumet Specialty Products Partners L P (CLMT) topped the insider-buying charts for the week ending July 9th as insiders snapped up 775,000 shares of company stock at a market value of $13,678,750. During the past six months, insiders have increased their overall holdings in the company by 0.37% and now own 53.69% of CLMT stock.

Alliance Healthcare Services Inc (AIQ) was not far behind, with insiders buying 450,000 shares at a market value of $2,024,250. Insiders now own 6.23% of the company's stock.

MOST NOTEWORTHY: EastGroup Properties, Take-Two and Calumet Specialty were today's noteworthy downgrades:

• After EastGroup (NYSE:EGP) reported slightly higher-than-expected Q1 FFO per share, Cantor Fitzgerald downgraded the stock to Hold from Buy on valuation. However, the firm still believes that the company's business model and dividend fundamentals are well-positioned.
  
• Citigroup downgraded Take-Two (NASDAQ:TTWO) to Hold from Buy citing balanced risk/reward as the firm does not expect an aggressive competing bid process.
  
• Raymond James downgraded Calumet (NASDAQ:CLMT) to Underperform from Market Perform following the company's reduction in distribution to 45c unit from 63c.

OTHER DOWNGRADES:

• Citigroup lowered XM Satellite (NASDAQ:XMSR) to Hold from Buy.
  
• Oppenheimer cut First Midwest Bancorp (NASDAQ:FMBI) to Perform from Outperform.
  
• Bernstein downgraded DirecTV (NASDAQ:DTV) to Market Perform from Outperform.