as GB said, if you believe in BLK then you should stick around and hold long term, otherwise move on. its probably a waste of time trying to understand why this is happening, the stock market does not make sense at times. this is a great example.
what we do know is that many people became very rich with the stock market. a vast majority of them became rich because they held long term. if you are not convinced ask warren buffet and masayoshi son
BLK Price at posting:
8.5¢ Sentiment: Buy Disclosure: Held