The price of oil saw a massive price spike Monday following drone strikes on a Saudi oil facility over the weekend that has shut off more than half of the kingdom's daily exports, or about 5% of the world's crude production.

Benchmark Brent crude briefly surged almost 20% in early trading before settling to 10% higher, up $6 to $66.28, according to The Associated Press. The U.S. benchmark West Texas crude was up 9%.

Purdue Pharma, the maker of OxyContin, filed for Chapter 11 bankruptcy protection Sunday night, just days after striking a settlement with more than 2,000 local governments over its alleged role in creating and sustaining the deadly opioid crisis.

New York Gov. Andrew Cuomo said Sunday he will push for a ban on some e-cigarettes amid a health scare linked to vaping — a move that would follow a similar ban enacted by Michigan and a call from President Trump for a federal prohibition on certain vaping products.

Updated at 11:30 p.m. ET

Iran says it is not behind Saturday's drone attacks on oil plants in Saudi Arabia, denying accusations from Secretary of State Mike Pompeo that Tehran was responsible for "an unprecedented attack on the world's energy supply."

Javad Zarif, Iran's foreign minister, said in a tweet on Sunday that Pompeo was turning from "max pressure" to "max deceit."