Stock Market Today, April 21 -- The benchmark Nifty-50 index during the week ended 17 April ended with gains of up to 4.5% week on week. While Bank Nifty gained more than 6%, Realty was also among to performers though IT & FMCG were key losers. The broader indices also gained around 4% each.

The levels of 23,500and 23,350 would act as key support zones for the Nifty-50 index, while resistance areas for the bulls could be found between 24,000 and 24,200. However, if the market dips below 23,350, sentiment could change said Amol Athawale, VP-technical Research, Kotak Securities.

The uptrend is likely to continue for Bank Nifty and the index could move up to around 54,500-55,000, with further upside potential that might lift it to 55,300, ...