BSE: Top losers and gainers

The Sensex ended down 449 points or 2.3% at 18,733 and the Nifty ended down 143 points or 2.5% at 5,542.

According to technical experts the markets are forming lower tops and lower bottoms indicating weakness ahead with both the benchmark indices trading way below their 200-DMA levels of 19,340 for the Sensex and 5,850 for the Nifty.