Wall Street opened slightly lower while oil and gold rose as Tuesday marked the fifth day of fighting between Israel and Iran, with the risk of a widening conflict dampening risk appetite in a week also packed with key central bank decisions.

Shares of oil companies were some of the S&P 500's top gainers Tuesday as investors evaluated fresh developments in the conflict between Israel and Iran.

Oil trading has seen some of its most volatile days in recent history as non-stop missile strikes exchanged between Israel and Iran ratcheted up fears of potential supply disruptions from the Middle E