Coinstar, Inc. (NASDAQ: CSTR) shares are moving up sharply this morning, gaining nearly 4% to $43.77, a gain of $1.59 on heavy volume.

There are rumors this morning that Wal-Mart could potentially have an interest in working with the company on its streaming movie service.

Coinstar, Inc. provides automated retail solutions primarily in the United States, Canada, Puerto Rico, the United Kingdom, Mexico, and Ireland.