Bitcoin has been outperforming other digital currencies lately, increasing its share of the broader market as prices climb. The world’s largest cryptocurrency by market capitalization (market cap) reached $5,641.36 today on CoinMarketCap, its highest since November. The digital asset later pulled back, trading at $5,473.03 by 13:34 UTC, additional CoinMarketCap data shows. At this point, bitcoin was up 4.4% for the week, while several altcoins (cryptocurrencies other than bitcoin) were in the red. [Ed note: Investing in crypto coins or tokens is highly speculative and the market is largely unregulated. Anyone considering it should be prepared to lose their entire…