While BSE benchmark Sensex is down over 20 per cent from its high of March 2015, there are five stocks of Sensex have emerged the best performers in preserving investor wealth. Data compiled by ETMarkets shows while the stocks rout wiped out one-fifth of market capitalisation of the Sensex since it hit the all-time high of 30,024.74 on March 4, 2015, the top five Sensex stocks have seen just 5.2 per cent erosion in investor wealth during the same period. The BSE smallcap and midcap indices have fallen 7 per cent each during the same period, while the combined m-cap of the BSE has slumped 14.51 per cent. Of the five stocks, Reliance Industries (RIL), backed by strong gross refinery margins (GRMs) and expectations from new revenue streams, has risen 13 per cent since March 4, 2015.RIL), backed by strong gross refinery margins (GRMs) and expectations from new revenue streams, has risen 13 per cent since March 4, 2015. Shares of RIL closed at Rs 1,003.95 on Friday, up 1.93 per cent. Infosys, too, has weathered the storm well. On Friday, the stock ended at Rs 1,135.90, nearly the same level (Rs 1,136.30) at which it had closed the day the Sensex had hit its all-time high. The IT firm has been reporting healthy earnings for the past couple of quarters. It has raised FY16 revenue guidance to 12.8-13.2 per cent in constant currency terms from an earlier guidance of 6.4-8.4 per cent. Infosys had a good weightage in the portfolios of many top-performing equity mutual funds in 2015. Among other stocks, HDFC Bank and ITC are down 2.50 per cent and 10.03 per cent, respectively, since March 4, 2015 compared to 20% fall in Sensex. HDFC Bank has been among the top holdings in 40 out of 73 large-cap mutual fund schemes and 21 out of 42 equity-linked savings schemes (ELSS) as of December 31. TCS, the largest company by market capitalisation, meanwhile, has fallen 16.49 per cent during the same period. This was still better than Sensex's 18.61 per cent decline.