If the house is later sold for $240,000, a 20 percent gain, the home seller will have doubled his initial investment.

Still, he questioned how many consumers would be willing to nearly double their investment in the machines.

Since 1993, we've nearly doubled our investment in Head Start and improved its quality.

The second round investors more than doubled their investment in less than a year.

He had been doubling his investment on the others she had brought him and perhaps he could do even better with this one.

Those who bought these put options easily doubled their investment during yesterday's market decline.

GE has promised to double its investment in environmental technologies to $1.5bn by 2010.

The film, he said, may ultimately double its investment.

The budget more than doubles our investment in technology to hook our children up to computers and the Internet.

Because the investor had to put down only 3.7 percent of the contract price, he doubled his $1,450 investment in two months.