Moderna Therapeutics’ Stock Price Soared, Then Gave Back Its Gains in Two Consecutive Days
To begin with, most, if not all, development-stage firms are yo-yo games played by day traders and investors whose strategies are buying low and selling high. These people also buy and sell on encouraging news and bad news; if their eyes happen to fall on any fundamental news.  

One of the criteria that boost the selloffs of development-stage firms like Moderna Therapeutics (This content is for paid subscribers.