https://www.reuters.com/article/us-crypto-currency/musk-tweet-dents-bitcoin-but-weekly-gain-in-prospect-idUSKCN2DG05P >Bitcoin slipped more than 3% on Friday after Tesla boss Elon Musk fired off a tweet hinting at a breakup with the cryptocurrency, though it remains on course for its best weekly gain in about a month as it tries to recover from May's crash.