Mumbai, Mar 25 (UNI) The benchmark index of Bombay Stock Exchange (BSE) tumbled down by 227.59 points at 29,421.40 on profit booking during the week ended yesterday. The Nifty 50 index shed by 52.05 points at 9,108. Key indices fell in three out of five sessions of the week. The BSE Mid-Cap index fell by 0.31 pc. The BSE Small-Cap index rose by 0.46 pc. Both these indices outperformed the Sensex. Trading for the week witnessed a subdued start. As the equity market remained negative for the first three sessions of the week. Key benchmark indices drifted lower on first trading day of the week on Monday, 20 March 2017, weighed by selling in index heavyweights, Infosys, Reliance Industries and ICICI Bank as the Sensex fell by 130.25 points at 29,518.74. On Tuesday, it declined by 33.29 points at 29,485.45. On Wednesday, the sensex was slumped by 317.77 points or 1.08 pc to settle at 29,167.68, its lowest closing level since 10 March 2017 on weak global cues amid increasing concerns regarding US President Donald Trump's economic growth agenda. On Thursday, the sensex recovered by 164.48 points at 29,332.16 as firmness in Infosys and Reliance Industries boosted gains on the domestic bourses. On the last day of the week, it added another gain of 89.24 points at 29,421.40 on the strength of by bank stocks. From the 30-share Sensex pack, 20 stocks fell and ten rose. More UNI NV HK1219