"The Congressional Budget Office upped its 2009 fiscal year deficit forecast to $1.2 trillion; add in the stimulus plan, and the deficit could be above $2 trillion," says Tony Sagami.

The editor of The Asia Stock Alert says, "As a result, we believe that the U.S. dollar is in big, big trouble. To protect your portfolio -- or even profit from the falling dollar -- buy Merk Hard Currency Fund (MERKX)."

The advisor explains, "For a long time, we have depended on the confidence and generosity of foreigners, especially the Chinese and Saudi Arabians, to fund our deficit spending lifestyle. Those days, however, are coming to a close.

"With the Federal Reserve Bank cutting its short-term interest rate target to range from 0% to 0.25%, I doubt you'll see overseas investors lining up to buy our next-to-nothing yielding bonds. The U.S. is, unfortunately, a country in trouble and headed for a painful currency devaluation. Inflation is lurking around the corner.

For those looking to diversify their portfolios to include foreign currencies -- as a hedge against U.S. dollar weakness -- global expert Nick Vardy points to an intriging exchange-traded fund: Powershares DB G10 Currency Harvest Fund (ASE: DBV).

In his Global Bull Market Alert, he explains, "This ETF will not only to protect our capital, but also to generate steady returns over the course of the remainder of this year.

The advisor points out, "For all of the attention focused on the world's stock markets, total trading volume in the world's currencies, including derivatives and futures, averages around $2.9 trillion a day, about 10 times the combined daily turnover on all of the world's equity markets."

He continues, "The best way to play the currency game is through the DB G10 Currency Harvest Fund, a low-cost currency hedge ETF with a proven technical trading strategy."