Bitcoin rallies back as tech rebound sparks speculative appetite

Bitcoin climbed alongside technology stocks as a revival in risk appetite spread to cryptocurrencies, lifting the token out of a bout of listless trading and offering another sign of resurgent speculative fervour across global markets.The original digital asset rose as much as 2.4% to $84,737 as a rally sparked by SpaceX earnings helped reignite enthusiasm for riskier assets, even as questions lingered over the sustainability of the artificial intelligence boom.Read more: Global Market Today: Asian stocks mixed as oil rally, AI concerns weigh on sentimentAlso helping sentiment: the Office of the Comptroller of the Currency unveiled a final measure for…