It was a mixed close for the markets even a oil prices rose and home prices tumbled. The Dow fell 44 points to 12,832 while Nasdaq gained 7 points to 2495.

On the upside

Shares of Renesola (NYSE: SOL) climbed ahead of its earnings release tomorrow.

Although first quarter earnings dropped for McDermott International (NYSE: MDR) due to downtime from inclement weather, the results met estimates.

USANA Health Sciences (Nasdaq: USNA) chairman and chief executive Myron Wentz offered $26 per share to purchase the nutritional and personal care products company.

On the downside

Although first quarter earnings for Hecla Mining (NYSE: HL) rose, the results fell short of expectations.

Moody's Investors Service said that Ambac Financial Group (NYSE: ABK) and MBIA (NYSE: MBI) have significant exposure to second lien residential mortgage debt.

Pilgrim's Pride (NYSE: PPC) announced plans to sell common stock at $24 per share to raise $180 million to repay debt.

In the broad market, advancing issues outpaced decliners by a margin of 10 to 9 on the NYSE and by nearly the same on Nasdaq. The Russell 2000 which tracks small cap stocks added 4 points to 737.