Bitcoin has hit a new all-time high today, with prices reaching $5,226 on the CoinDesk Bitcoin Price Index. At press time, the bitcoin-U.S. dollar ( BTC/USD ) exchange rate is trading at $5,200 levels. Week-on-week, BTC is up 18.75 percent, while month-on-month it's up 23 percent. The new record broke a previous all-time high of $5,013 set in September . ADVERTISEMENT All in all, it's a sharp reversal of trend given the cryptocurrency dropped to a low of $2,980 in mid-September on the news China had banned token sales and that local cryptocurrency exchanges would shut in the aftermath. However, in subsequent days, bitcoin's price quickly regained, reportedly due to a pick-up in trading volumes in Japan, South Korea and other markets. Increased institutional interest seems to have played a role in boosting bitcoin prices. For example, a rumored "bitcoin desk" at Goldman Sachs would certainly be a game changer for the nascent market. Still, it's just t...