The BioWorld Neurological Diseases Index showed signs of recovery in August, narrowing its year-to-date decline to 14.31%, compared to a steeper drop of 22.34% at the end of May. Momentum shifted notably over the summer, with 17 of the 20 component companies posting gains between June and August. This marks a reversal from May, when 15 of the 20 stocks were in the red.