United Therapeutics Upgraded, Spartan Motors Downgraded

U.S. stock futures are indicating a strong open, as the market awaits a speech by Ben Bernanke and President Bush's proposals aimed at helping struggling mortgage borrowers.

Today's Upgrades:

One stock was upgraded to PowerRatings (for Investors) of 10, the highest rating. The top rated stocks have historically done a superior job of identifying stocks which have risen in value over the next 12 months. Among today's list of upgrades is:

United Therapeutics (NasdaqGS: - ) has a PowerRating (for Investors) of 10, upgraded from 9. The biotechnology company is focused on the development and commercialization of innovative therapeutic products for patients with chronic and life-threatening cardiovascular, cancer and infectious diseases.

Today's Downgrades:

Six stocks were downgraded to an unattractive PowerRating (for Investors) today. Stocks with low PowerRatings (for Investors) have tended to underperform the market over the next 12 months. Among today's list of downgrades is:

Spartan Motors (NasdaqGS: - ) was downgraded to 3, downgraded from 4. The company is a designer, engineer and manufacturer of custom heavy-duty chassis.

Spartan Motors was in the news last week, after Spartan Chassis introduced the Furion at the Fire-Rescue International Expo inAtlanta.

PowerRatings (for Investors) are courtesy of PowerRatings.net.