Monday September 10

• Illinois District Court: Merck & Co Inc (NYSE: MRK) Vioxx trial to start.
• Advanced Micro Devices Inc (NYSE: AMD) to webcast the launch of the Quad-Core AMD Opteron processor.

Tuesday September 11

• Fed Reserve Chairman Bernanke to speak at Bundesbank Conference in Berlin.
• Lions Gate Entertainment Corp (NYSE: LGF) to hold shareholder meeting at 10am.

Wednesday September 12

• Brady Corporation (NYSE: BRC) to report Q4 earnings; conference call at 10am.
• Select Comfort Corporation (NASDAQ: SCSS) to hold Q3 Business Update conference call at 4pm.

Thursday September 13

• Symantec Corporation (NASDAQ: SYMC) to hold shareholder meeting at 11:30am.

Friday September 14

• W.W. Grainger Inc (NYSE: GWW) to hold August sales conference call at 8am.
• Isle of Capri Casinos Inc (NASDAQ: ISLE) to report Q1 earnings; conference call at 9am.
• Interlink Electronics Inc (OTC: LINK) to hold a conference call to discuss asset sale at 1pm.

MOST NOTEWORTHY: Wal-Mart (WMT), Coldwater Creek (CWTR), Select Comfort (SCSS) and Anadys Pharma (ANDS) were today's noteworthy downgrades:

• Merrill downgraded Wal-Mart (NYSE: WMT) to Sell from Neutral citing expectations of margin erosion.

• Brean Murray cut Coldwater Creek (NASDAQ: CWTR) to Hold from Buy following their disappointing Q2 report and outlook.

• Select Comfort (NASDAQ: SCSS) was cut to Strong Sell from Hold at Matrix based on weak performance and high risk characteristics.

• Anadys Pharma (NASDAQ: ANDS) was downgraded to Neutral from Outperform at Cowen, citing pipeline setbacks over the last 12 months, and lack of near-term catalysts...

OTHER DOWNGRADES:

• Collective Brands (NYSE: PSS) was cut to Hold from Aggressive Buy.

• Sigma Designs (NASDAQ: SIGM) was cut to Hold from Buy at Needham.

Analyst summaries provided by TheFlyOnTheWall.com (subscription required).

OptionXpress Holdings Inc. (NASDAQ: OXPS) -- volume & volatility Elevated on renewed buyout speculation. OXPS is recently up $0.87 to $26.47 on renewed buyout speculation. OXPS call option volume of 3,911 contracts compares to put volume of 33 contracts. OXPS August option implied volatility of 47 is above its 26-week average of 39 according to Track Data, suggesting larger price fluctuations.

Select Comfort Corp. (NASDAQ: SCSS) -- calls active on unconfirmed Tempur Pedic International Inc. (NYSE: TPX) buyout speculation. SCSS, a personalized sleep product company, is recently up $0.15 to $17.49. TPX has been frequently mentioned as interested in acquiring SCSS assets over the last three years. SCSS has a market cap of $854 million with zero long term debt. SCSS had March quarterly 2007 revenue of $216 million. TPX has a market cap of $2.4 billion. SCSS call option volume of 3,011 contracts compares to put volume of 174 contracts. SCSS August option implied volatility of 42 is above its 26-week average of 39 according to Track Data, suggesting slightly larger price fluctuations.

Option volume leaders today are: Research in Motion (NASDAQ: RIMM) and Apple Inc. (NASDAQ: AAPL).

Daily Option Update is provided by Stock Options Specialist Paul Foster of theflyonthewall.com.

Monday July 9

• The Chicago Board of Trade (NYSE: BOT) and Chicago Mercantile Exchange Holdings Inc (NYSE: CME) to hold a special shareholder meeting in Chicago about merging at 4pm.
• Take-Two Interactive Software (NASDAQ: TTWO) to hold a business update at 4:30pm.
• Alcoa Inc (NYSE: AA) to report Q2 earnings; conference call at 5pm.

Tuesday July 10

• Electronic Entertainment Expo, or E3, to be held from July 10-July 13 in Santa Monica, California.
• The Home Depot Inc (NYSE: HD) to release a 2007 Sales Update at 9am.
• Sealy Corporation (NYSE: ZZ) to report Q2 earnings; conference call at 5pm.