* Equity Alert: Mundra Port dn 2% on steep valuation, weak broad mkt
* Equity Alert: Real estate shares down 2-3%; likely to fall more
* Equity Alert: Airline shrs down as outlook weak on mounting losses
* Equity Alert: Sun Pharma erases gains; Jan-Mar net beats estimates
* Equity Alert: Power shares down 1-5% on input cost worries
* Equity Alert: Satyam dn 5% on news of US co claiming $1 bln damages
* Equity Alert: Spice Comm, Idea Cellular down despite merger talks
* Tata Motors shrs recoup losses, up 1%; May sales up 9% on year
* Equity Alert: JP Morgan says Hexaware mgmt changes likely negative
* Equity Alert: Steel shares down despite export duty rollback report