Lower Open Over Greek Default Concerns

Fears of a Greek default weighed the markets down to a lower open with the Dow losing 45 points to 10,688. Nasdaq rose 8 points to 2464.

On the upside

Turnstall Healthcare Group will pay a premium of approximately $82.3 million in cash to acquire remote health monitoring services firm American Medical Alert (Nasdaq: AMAC).

Bargain hunters lifted shares of SIGA Technologies  (Nasdaq: SIGA), whose stock price plunged yesterday after a Delaware judge ordered the company to share 50% of its profits from a smallpox drug with PharmAthene.

Nike (NYSE: NKE) reported higher first quarter earnings and revenue that beat analyst expectations.

On the downside

Cavium (Nasdaq: CAVM) blamed a drop in demand for lowering its third quarter revenue guidance.

First Solar (NYSE: FSLR) cannot meet the requirements for a $1.9 billion federal loan guarantee that was to fund its Topaz Solar Farm project.

Mosaic (NYSE: MOS) reported preliminary first quarter earnings that fell short of analyst expectations.

In the broad market, advancing issues outpaced decliners by a margin of nearly 7 to 5 on the NYSE and by nearly 2 to 1 on Nasdaq. The Russell 2000 which tracks small cap stocks added 3 points to 647.