India, Oct. 22 -- Indian equity markets came under pressure on Thursday, with the Sensex and Nifty extending their recent losses. Rising oil prices, geopolitical uncertainty and a correction in broader-market stocks contributed to the decline.

The BSE Sensex fell 590.21 points, or 0.80%, to 73,119.48, while the NSE Nifty 50 declined 197.30 points, or 0.86%, to 22,614.05 at 9:38 am.

Here are four factors weighing on the stock market.

1. Crude Oil Prices Above $110 Raise Inflation Fears

Rising crude oil prices have emerged as a major concern for investors. Brent crude traded at $110.68 per barrel, while US West Texas Intermediate crude stood at $98.53. Escalating tensions in the Middle East, including attacks involving Yemen's Houthi fo...