The Nifty Smallcap 100 index surged to a record high of 16,822 points on Wednesday, extending its winning streak to four consecutive days. Eight index constituents notched new 52-week highs, led by Data Patterns (India) with a gain of over 10%. Benchmark indices Nifty 50 and Sensex also traded in the green, extending their bullish trend for the fourth day running.