Sensex hits 21-month lows: Extending losses for the third day, the S&P BSE Sensex settled the day 262 points lower to slip below its key 24,000 mark in trade, while broader CNX Nifty ended just a tad above its key 7,200-mark. The benchmark indices fell to their lowest levels since May 2014, with State Bank of India leading the losses ahead of its financial results that are expected to disappoint just as other major state-run banks did this quarter.