You are quite correct. Compared to the close of January 23 and that of January 24, it did drop $64 from $514 to $450.
P.S. I really love Breaking Bad
I can't wait for the final part to begin.
I don't see Samsung or Apple being in big trouble if there is a decline in high end smartphone sales. Samsung already makes cheaper phones and Apple could decide to market a less expensive iPhone in the US too.