Nifty reclaims 10,500, Sensex gains 400 points mark as markets turn optimistic

(G.N.S) Dt. 8 New Delhi Sensex extended gains to more than 400 points and Nifty reclaimed 10,500-mark on Thursday morning All sectoral sub-indices with the exception of Nifty metal were in the green Buying by domestic institutional investors and a mixed trend at other Asian bourses improved the market sentiment