Shares of Birkenstock (BIRK) have gained 9.6% over the past four weeks to close the last trading session at $55.05, 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$68.88 indicates a potential upside of 25.1%.The average comprises 17 short-term price targets ranging from a low of $57 to a high of$81, with a standard deviation of $7.34. While the lowest estimate indicates an inc ...