UPDATE 1-Musk 'trolling' puts brakes on bitcoin's rebound Reuters 1 hr ago * Musk heartbreak tweet pushes BTC down 4% * Cryptos set to log weekly gains in recovery from crash (Updates prices, adds analyst quote and background) By Tom Westbrook SINGAPORE, June 4 (Reuters) - Bitcoin slipped 4% on Friday after Tesla boss Elon Musk was at it again - this time firing off a few tweets that appeared to lament a breakup with the cryptocurrency. Tesla's big position in bitcoin and Musk's large personal following often set crypto markets on edge whenever he tweets, and the price fell after he posted "#Bitcoin", a broken-heart emoji and a picture of a couple discussing a breakup.