Major cryptocurrencies gave back their advances after Walmart Inc. denied having an agreement to use Litecoin for purchases. Litecoin -- which rose as much as 33% at one point -- erased all its gains. Bitcoin, the largest digital asset, was down 2.9% as of 10:24 a.m. in New York after earlier having advance roughly 4% on the news. Other digital assets also retreated, with Bitcoin Cash, Ether and EOS all declining. A Walmart spokesperson said the statement on Litecoin was “inauthentic.” Meanwhile, a verified Litecoin Twitter account deleted a tweet that linked to a press release announcing the partnership. A shopper ... (full story)