Hedge Fund manager’s like Jim Cramer know their business like no one else it appears, for the  controversial host on his Tuesday’s TV show has pronounced that bitcoin could well be in its ‘sunset days.’   And when Cramer, one of the most influential fund managers’ currently doing the rounds on television business shows begins his bitcoin-slaying monologue, bashing the top-traded cryptocurrency could not be far behind. Cramer’s much awaited signature bitcoin slaying began on Tuesday as the virtual currency is caught in a whirlwind of price-craziness.