It could be that many people who bought from $2-70 just want to...

It could be that many people who bought from $2-70 just want to get out with a big profit. The more that sell, means others want to get out while they still have a high profit. The share price is not about the value of the business a lot of the time. many companies are overvalued just because they are the flavour of the month, have done nothing wrong, are increasing income, have a good business model BUT their share prices are ridiculous.
Sometimes it goes the other way. When its gone so far you shouldnt worry about stopping it. Best it keeps going to allow further opportunities for those who are ready next time. It just means you have to wait longer to get back, but it may happen very quickly. It will jump quicker the more price falls, so lets hope it goes down to $2-70....