Buy or sell stocks, Dec. 10 -- The Indian market benchmarks, the Sensex and Nifty 50, slipped for a second straight session on Tuesday, December 9, as global uncertainty ahead of the US Federal Reserve's policy announcement weighed on sentiment.

The Sensex fell 436 points, or 0.51%, to close at 84,666.28, while the Nifty 50 declined 121 points, or 0.47%, to finish at 25,839.65. In contrast to the headline indices, mid- and small-cap stocks staged a recovery and outperformed; the BSE Midcap index rose 0.60%, and the Smallcap index gained 1.27%.

Sector-wise performance remained mixed. Nifty Consumer Durables advanced 1.31%, PSU Bank climbed 1.29%, Realty added 0.95%, and Media gained 0.70%, all bucking the broader decline. On the downside...