There has been a catch up by the large cap in the last three weeks, but given the fact that valuation of mid-caps have also increased the valuation differential which is key behind the possible mean reversion trade is still valid . Given the fact that the differential between, mid and large cap stocks has increased very sharply in the last one year, if the market remains under the control of bulls there is a probability that over the next few quarters markets may see a mean reversion. ET screener powered by Refinitiv’s Stock Report Plus lists down quality stocks with high upside potential over the next 12 months, having an average recommendation rating of “buy” or "strong buy". The screener applies different algorithms for all BSE and NSE stocks.