Complex sentence: On November 29,2013, the cost of one bitcoin rose to the all-time peak of US $1,242, but in 2014 the price fell sharply, and as of April remained depressed at little more than half 2013 prices.
Split into simpler sentences: On November 29,2013, the cost of one bitcoin rose to the all-time peak of US $1,242. In 2014 the price fell sharply, and as of April remained depressed at little more than half 2013 prices.