How will oil price affect stock price?

Mainly will affect O&G production, pipelines, service-related companies in the short-term

The immediate hits are the users of oil - Airlines is a major one given how they'd hedge oil prices. Nonetheless, it's beneficial to oil companies i.e. Keppel because they'd be able to command a higher price for the oil they rig.

But all in all, oil is more of a commodity, so its direct comparison would be that of Gold etc.