Sensex, Nifty plunge nearly 1% on weak global cuesTech Mahindra was the biggest loser in the Sensex pack, slipping 4.59 per cent, followed by Asian Paints, Wipro, Kotak Mahindra Bank, Bajaj Finserv, Infosys, ITC, Mahindra & Mahindra, Hindustan Unilever, IndusInd Bank, Reliance...