The increased interest in mid-cap stocks has coincided with a spurt in the cash market activity with the average turnover of the segment scaling a two-year high. While it cannot be ruled out that domestic retail investors may be exiting the markets that has remained flat since 2008, the rising mid-cap index has raised hopes that a section of this investor class has entered the market. During the last one week, the BSE mid-cap index has closed in on its yield gap to Sensex for the last six weeks. However, sustained selling action by the domestic institutional investors that are deemed big drivers of the mid-cap space can act as a hindrance to the mid-cap rally. For the year so far, DIIs have sold stocks worth $ 243 million even as FIIs have shopped for $3.8 billion worth of Indian equities.