Shares of Dynavax Technologies (DVAX) have gained 7.2% over the past four weeks to close the last trading session at $12.66, but there could still be a solid upside left in the stock if short-term price targets of Wall Street analysts are any indication. Going by the price targets, the mean estimate of $24.50 indicates a potential upside of 93.5%.The mean estimate comprises four short-term price targets with a standard deviation of $6.61. While the lowest estimate of $15 indicates an 18.5% increase from the ...