KBC Securities Downgrades Prosensa To Hold

Analysts at KBC Securities downgraded Prosensa Holding N.V. RNA from Buy to Hold. The price target for Prosensa has been lowered from $17 to $19.80. Prosensa shares have climbed 343.91% over the past 52 weeks, while the S&P 500 index has surged 14.79% in the same period. Prosensa's shares jumped 62.59% to close at $18.60 yesterday.