Bluebird will be available next week at www.bluebird.com and in more than 4,000 Walmart stores.
Shares of Bentonville, Ark.-based Wal-Mart added 13 cents to close Monday trading at $75.26. Shares of American Express, which is based in New York, gained 22 cents to end at $58.78.
Green Dot shares dropped fell $2.618, or 20.3 percent, to close at $10.24.
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