Slight move up with PDS, iBio,, TBIO and Tonix leading the way. CureVac falls

A modest gain overall with an upward move of 0.5%. There were 17 gainers and 10 losers. 

The top stock today was PDS with a gain of just under 8%. Translate Bio and iBio picked up 6% while Tonix gained just under 5%.

The biggest loser on the day was CureVac falling 7% while Novavax fell 5%.