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Goldman Sachs buys into Bitcoin and McDonald's new DIY burger

Another day of red arrows for the major stock indices (^DJI, ^GSPC, ^IXIC) a day after the Fed left the door open, at least a little, for a June rate hike. A mixed bag of economic data this morning didn't help matters. Jobless claims came in lower than any other week in the last 15 years and consumer spending ticked higher. Still the cost of employing the average American worker ticked higher and personal income was flat.

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Here are some of the other stories Yahoo Finance is keeping an eye on today.

McDonald's build-a-burger
McDonald's (MCD) efforts to revitalize sales have been making headlines pretty much every day, and today is no exception. Now, the fast-food giant is reportedly test marketing custom-made meals, where diners can choose how their burgers and salads are made.

Big banks and bitcoin
Bitcoin is taking another step towards mainstream acceptance. Goldman Sachs (GS) is investing $50 million dollars in consumer digital currency company Circle Internet Financial, becoming the first big banking institution to get behind bitcoin.

Secret no more
It's no longer a secret--the Secret app is no more Co-founder David Byttow blogging that after a lot of thought and consultation with the board, he's shutting the company down after just 16 months. The once-hot app that allows users to share information anonymously has reportedly seen a big dropoff in demand despite a retooling a few months ago.

Fastest growing retail app
What retailer would you think had the fastest growing mobile app last year? Well, if you said Kohl's (KSS), you'd be right. Researcher Comscore finds the Kohl's app jumped 793 percent in 2014...second only to car service Lyft.

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