The market started out up this morning due to strength in overseas markets, and then a downgrade hit Greece that took the market south. The markets remained in positive territory throughout most of the day and the question was whether or not the positive line would hold up after the markets went into the red-zone at the very end of the day.

Here were today's unofficial closing bell levels:

Dow 10,190.89 -20.18 (-0.20%)
S&P 500 1,089.66 -1.94 (-0.18%)
Nasdaq 2,243.96 +0.36 (0.02%)

Top Analyst Calls

Imagine a company with 90%-plus margins and huge cashflow that uses its cash to carefully expand its business and buy back stock -- with a P/E under 8! That's Questcor Pharmaceuticals (NASDAQ: QCOR).

QCOR has a treatment that is approved for spasms from multiple sclerosis, but is mostly used to treat radical infantile spasms that kill or retard babies.

Your best strategy for life-changing profits?

Buy the stock and wait for it to appreciate or for the company to get bought out. You could also buy the (illiquid) options, or buy the stock and sell the calls.

Next: Biotech Stock #3

Analyst upgrades:

• Jefferies upgraded Whole Foods (NASDAQ: WFMI) to Buy from Hold as it believes the company is taking the right steps to turn its operations around. The firm raised its target price to $13 from $11.
  
• Pali upgraded Whole Foods to Buy from Sell following the Q1 report based on better than expected cost containment, labor costs, capex cuts, and plans to rationalize the store base.
  
• Thomas Weisel upgraded Hewlett-Packard (NYSE: HPQ) to Overweight from Market Weight. The firm believes HPQ's risk/reward has improved given overdue reduced FY09 guidance and attractive valuation.
  
• Bernstein upgraded Talisman (NYSE: TLM) to Outperform from Market Perform based on relative valuation.
• Navistar (NYSE: NAV) was added to Goldman's Conviction Buy List.
  
• Sovran Self Storage (NYSE: SSS) was upgraded to Perform from Underperform at Oppenheimer.
  
• Suncor (NYSE: SU) was upgraded at Barclays to Overweight from Equal Weight.