on speculation in a sentence

Examples

1. Shares rose on speculation it could be taken over by a competitor.
2. Ecuadorean bonds plunged more than 11 percent on speculation about a default.
3. Goldman Sachs and Galicia officials said they had no comment on speculation.
4. The company has made it a policy not to comment on speculation.
5. The carmaker today declined to comment on speculation regarding the Pharmacia sale.
6. A bank spokesman declined to comment on speculation of a possible takeover.
7. The stock doubled since early June, partly on speculation of a takeover.
8. He commissioned William A . Bates to design several houses on speculation.
9. Case would not comment on speculation regarding future ownership of the firm.
10. This brought on speculation that Eyedea & Abilities were no longer together.