Small and midcaps are leading the charge in the latest market rebound.Since November 21, when the benchmark S&P BSE Sensex and the National Stock Exchange Nifty hit their recent lows and slipped into correction territory, the Nifty Smallcap 100 index has risen by 8 per cent, while the Nifty Midcap 100 has gained 5.7 per cent.Meanwhile, the Nifty 50 index has risen by 4.7 per cent during this period.