EchoStar (SATS) announced an agreement to acquire all of the outstanding equity of Hughes Communications (HUGH) in a transaction valued at approximately $2 billion. EchoStar overall option implied volatility of 29 is near its 26-week average of 31, according to Track Data, suggesting slightly lower price movement.

Emergency Medical Services (EMS) and Clayton, Dubilier & Rice announced a definitive merger agreement under which an affiliate of CD&R will acquire EMSC for $64.00 in cash for each share of EMSC Class A common stock and Class B common stock and each LP Exchangeable Unit. Overall option implied volatility of 16 is below its 26-week average of 32, according to Track Data, suggesting decreasing price movement.

Update is by Stock Specialist Paul Foster of theflyonthewall.com.

U.S. stock futures are slightly lower this morning, after the previous week's gains. Investors are awaiting the release of President Obama's budget. Futures on the Dow Jones Industrial Average fell 3 points to 12,238 and S&P 500 futures dropped 0.40 point to 1,327. Nasdaq 100 futures fell 0.50 point to 2,378.

European markets were mixed today. While STOXX Europe 600 Index has gained 0.39%, London's FTSE 100 Index moved down 0.23%.

Asian markets ended higher, with Japan's Nikkei Stock Average gaining 1.13%, Australia's S&P/ASX 200 moving up 1.06% and China's Shanghai Composite gaining 2.55%.

MOST NOTEWORTHY: Clayton, PharmaNet Development, Royal Bank of Scotland, Progressive Gaming and WSFS Financial were today's noteworthy downgrades:

• JMP Securities downgraded shares of Clayton Holdings Inc (NASDAQ: CLAY) to Market Perform from Outperform citing lack of visibility in the non-agency MBS market. William Blair also downgraded shares to Market Perform from Outperform after the company's in-line quarter, to reflect lowered estimates and uncertainty regarding a recovery time.
• Jefferies downgraded shares of PharmaNet Development Group Inc (NASDAQ: PDGI) to Hold from Buy as they believe departures of board and management executives have introduced new risk.
• The Royal Bank of Group PLC (NYSE: RBS) was lowered to Sell from Buy at Citigroup, as they are negative on the company's acquisition of ABN Amro Holding NV (NYSE: ABN).
• ThinkEquity downgraded shares of Progressive Gaming International Corporation (NASDAQ: PGIC) to Accumulate from Buy following Friday's announcement that it lost its post-trial motions and will proceed to appeals court in the Webb lawsuit. PGIC will have to post a $20M bond, which is more than the firm expected.
• B. Riley downgraded shares of WSFS Financial Corporation (NASDAQ: WSFS) to Neutral from Buy after they lowered their estimates to reflect the company's higher projected on-interest expense.

OTHER DOWNGRADES:

• Goldman removed Hewlett-Packard Company (NYSE: HPQ) from its Conviction Buy List.
• Calyon downgraded VeraSun Energy Corporation (NYSE: VSE) to Add from Buy.
• Merrill Lynch downgraded Aetna Incorporated (NYSE: AET) to Neutral from Buy.
• Friedman Billings downgraded Baker Hughes Incorporated (NYSE: BHI) to Market Perform from Outperform.