Extending losses for the fourth straight session, the BSE benchmark Sensex on Wednesday fell by over 107 points in early trade due to investor concerns, after DMK withdrew its support to the ruling UPA government.

The 30-share barometer, which had lost 562.34 points in the past three sessions, fell another by 107.22 points, or 0.56 per cent, to 18,900.88.

Stocks of consumer durable, capital goods, auto, oil and gas and banking sectors declined due to profit-booking.

Similarly, the wide-based National Stock Exchange index Nifty fell by 33.15 points, or 0.58 per cent, to 5,712.80.

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