Later in the day the rumor proved false, and the stock dropped 2 points.

The rumor proves to be false, and the stock price falls back.

But for the next three weeks, each rumor proved baseless.

There was in any case relief when the rumor proved untrue.

If such rumors prove true, it would be most dire indeed.

And how downcast he had been when the rumor proved false.

These rumors proved to be false at the time.

The persistent rumors that the enemy had taken human prisoners were proving true.

If the rumors proved true, he'd deserted his men.

Those rumors proved false, but the damage was done.