The board of eBay has rejected the US video games retailer GameStop’s surprise $55.5bn bid (£41bn) for the online marketplace, describing the proposal as “neither credible nor attractive”. Earlier this month, GameStop made an unsolicited bid for eBay, publishing a letter on its website outlining a half-cash, half-stock proposal. This was despite the US games company – which became a global household name during the meme stock craze of 2021 – being worth far less than its takeover target. GameStop had a market valuation of roughly $12bn before its bid, almost a quarter of eBay’s $46bn valuation. GameStop’s shares have fallen by more than 12% since releasing its takeover offer, particularly after the company’s chief executive, Ryan Cohen, failed to explain how the retailer could afford the deal during a television interview on CNBC . In a letter to Cohen published on Tuesday, eBay’s chair, Paul Pressler, said its board and advisers had reviewed GameStop’s proposal and “determined to reject it”.…