(Bloomberg) -- Bitcoin is grinding lower as part of a $500 billion slide in digital assets, stoking questions about whether the crypto rebound has peaked.Most Read from BloombergMicrosoft’s Xbox Is Planning More Cuts After Studio ClosingsAmericans Are Racking Up ‘Phantom Debt’ That Wall Street Can’t TrackStormy Daniels Will Return to Court in Test of Trump’s DemeanorApple’s Tone-Deaf iPad Ad Triggers Our Darkest AI FearsThe token is flirting with five straight days of declines, which would be th