Indian stock market, Dec. 30 -- The key Indian indices, Sensex and Nifty 50, were expected to open flat with a negative bias on Tuesday, December 30, amid thin trading volumes and weak cues from global markets.

Early signals from the Gift Nifty also suggested a subdued start for domestic equities, with the index trading near the 25,936 level-down 29 points or 0.11% from the previous close of Nifty futures.

On Monday, December 29, Indian markets ended lower due to low participation and the absence of strong triggers, keeping investors cautious, fuelling expectations of a near-term consolidation. Persistent selling by foreign institutional investors further weighed on sentiment. The BSE Sensex fell for a fourth straight session, dropping ...