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Core ideas, explained briefly.

Nifty 50 and Sensex

Nifty 50 tracks 50 large companies on the NSE. Sensex tracks 30 on the BSE. Both show how the broad market is doing.

P/E ratio

Price divided by earnings per share: what investors pay for each rupee of profit. Compare within the same sector.

Why crude oil matters to India

India imports most of its oil. Higher crude raises inflation and pressures the rupee, which can weigh on markets.

Repo rate

The rate at which the RBI lends to banks. Higher rates make loans costlier and can slow growth.