Oil prices spiked in the wake of the US attacks on Iran, with analysts and strategists eyeing negative consequences for markets and the economy if energy prices see a sustained rise. Brent oil rose roughly 7% and stocks whipsawed, with the S&P 500 and the Nasdaq turning positive after being down about 1% earlier in the day. Israel and the US launched military strikes in Iran , killing Iran's Supreme Leader, Ali Khamenei and other senior officials. Iran retaliated with missile strikes against US