At this point it would be very unlikely but there is still a slim possibility, some well known millionaires and billionaires already invested on bitcoin. They definitely won't allow their investment to lose it's value regardless of.
That's true, but the same investors may sell if they see things are not going very well. Fortunately, I think most investors are now more confident in Bitcoin, since it's solving one of its biggest problems, with SegWit, and soon we will have more things coming, like LN, sidechains and hopefully features that bring anonymity, such as Mimblewimble.