The Sensex touched a new peak of 9,993.92 during the week ended February 3, 2006, but shied away from the psychological mark of 10,000 points. The week ended with the Sensex registering a loss of 1.3% (128.21 points) at 9,742.58 on heavy unloading by operators.Bank shares bore the brunt of investors' wrath, which could be gauged by the whopping fall of 303 points (5.71%) in the BSE Bankex. The index ended the week at 5,002.48 when compared with the last weekend close of 5,305.67.Small-cap stocks, too, were at the receiving end due to across-the-board profit booking by investors. As a result, the BSE Small Cap Index tumbled by 326.59 points (5.12%) to end the week at 6,053.67 when compared with the previous weekend close of 6,380.26.FIIs reported net investments of Rs 1,089.5 crore in three days after their withdrawal of Rs 348 crore on January 30.On the National Stock Exchange, the S&P CNX Nifty dropped 42.15 points to end the week at 2,940.60.The volume of business on the BSE and the NSE was relatively high at Rs 18,150 crore and Rs 34,612 crore when compared with last week's turnover of Rs 16,413 crore and Rs 30,827 crore, respectively.