TradingKey – Moderna (NASDAQ: MRNA) closed the day at $200.10 on Friday, October 23, losing 1.25%, after a sharp selloff on Thursday. However premarket trading points further down at $189.15 level this morning. On October 22, the stock dropped as much as 26% intraday following a partial results from its personalized melanoma vaccine with Merck leaked online. But it then closed the day down 17.57% at $202.63. Over previous two sessions, shares lost about 19% from Wednesday’s $245.81 close.

The data itself was green, but Moderna was up more than 500% this year before the drop. It’s mostly on hopes for this one program, so the bar was set very high.