Tata Motors (4.84%), Hero MotoCorp (3.82%) and PowerGrid 2.87% were the top Sensex losers. Of 30 Sensex stocks, 25 closed lower.

UK company Dyson is planning on developing a wearable air-purifier that can also be used as a pair of headphones.

The large cap stock fell 55.07% during the last one year and lost 55.96% since the beginning of this year.  25 of 40 brokerages rate the stock \"buy\" or 'outperform', 12 \"hold\" and three \"underperform\" or \"sell\", according to analysts' recommendations tracked by Reuters.