But distinguishing between manipulation and the innocuous musings of an enthusiastic investor can be difficult.

He was an enthusiastic investor in the Muscovy Company and the Merchant Adventurers.

The Japanese, once enthusiastic investors in America, are trying to liquidate holdings and convert their dollars to yen, to rescue a struggling economy back home.

He also was enthusiastic investor in steamboat properties.

For three years, these companies poured the money of enthusiastic investors into hotels, office buildings and shopping malls.

Since then, enthusiastic investors have pushed the stock of CBS up 11.7 percent, to close yesterday at $29.26.

Boosted by capital from enthusiastic investors, networking companies often laid their fiber-optic cables side by side as they crisscrossed the country.

On top of this, the leading driver of the scheme, Senator Brice, died leaving the syndicate without any enthusiastic and wealthy investors.

So in 1854, Field raised $1.5 million - a huge amount at the time, but a fraction of the eventual cost - from a small group of similarly enthusiastic investors.

Some have fallen even further, leaving unwary or overly enthusiastic investors with near-total losses.