Shortsighted stock market can no longer brush off war: 'It's too hard to ignore $100 oil'

Major U.S. stock indexes tumbled on Thursday as investors began to price in the consequences of a renewed and prolonged conflict in the Middle East. 

While the U.S. has conducted strikes against Iran 12 nights in a row — sending both oil prices and Treasury yields higher — domestic equities had mostly brushed off the idea of the war between the two countries heating up again, staying flat while oil jumped.