Stock market crash, March 9 -- The US-Iran war has emerged as the latest headache for stock market investors as all equity markets are taking a beating amid the rising energy prices and unabated Middle East tensions.

Crude prices have topped the $100 mark today, rising to the highest level in four years. Against this backdrop, the Indian stock market has crashed 3%. Meanwhile, some of its Asian peers faced an even bleaker fate. South Korea's high-flying market fell 8.2%, having already shed more than 10% last week. Meanwhile, Japanese markets shed 7%. China, another big oil importer, saw its benchmark index decline 1.7%.

Both sides appear to be digging in for a potentially lengthy conflict. Iran on Monday named the son of the late Ayato...