The SENSEX Index went up by 493 points or 0.65 percent on Friday to close at 76646 points. The rise was led by Tata Steel (2.73%), Reliance Industries (2.03%) and Bajaj Finance (1.33%). On the downside, the weakerst performers were HCL Tech (-1.94%), Maruti Suzuki (-1.30%) and Bharti Airtel (-1.04%).