Small and medium companies on the BSE have outperformed their large-cap peers so far this fiscal as the constituents of the benchmark index Sensex faced selling pressure amid global and domestic growth concerns. While the mid-cap index has gained 2.31 per cent to 10,818.68, the small-cap index has seen a rise of 1.39 per cent to 11,042.60 from April 1 to October 1. In contrast, the 30-stock Sensex, consisting of large- caps, has lost 6.21 per cent to 26,220.95. The index hit an all-time high of 30,024.74 on March 4, 2015.