WTI oil jumped 4% after the closure of an oil pipeline in the U.S. due to a leak, and Bloomberg estimated the additional costs of tankers stuck off the coast of Turkey at $13 million – these and other important news for the morning of Friday, December 9, in our daily review.

WTI crude oil rose 3.9% on the New York Stock Exchange after falling more than 11% in the previous four sessions, Bloomberg writes. Bloomberg notes that the price of WTI oil rose amid an accident at a major U.S. oil pipeline Keystone Pipeline System. The pipeline could deliver more than 600,000 barrels of oil from Canada to the U.S. every day, but was shut down after a leak in the state of Nebraska.

About 26 oil tankers stuck in Turkey’s Bosphorus and Dardanelles straits are forced to spend about $13 million extra on freight, Bloomberg reported. As shipping brokers, traders and ship owners point out, daily waiting rates in recent weeks have been around $100,000 or more. Turkey, meanwhile, estimates the congestion to be fewer tankers.

The European Commission’s new proposal to tax cryptocurrencies will affect companies around the world, according to The Block. The publication reports that under the rules the European Commission wants to approve, crypto service providers, regardless of their geographical location, will have to report transactions of their EU clients to tax authorities.

Russian energy company Gazprom will pay more than 5 trillion rubles in taxes by the end of 2022, the company’s head of department Karen Ohanyan said at the St. Petersburg Tax Forum. “Accordingly, at the end of 2022 Gazprom will become the largest taxpayer in the country,” he said. Ohanyan added that the gas monopoly’s tax revenues to the St. Petersburg budget will account for one-fifth of the city’s income.

Alibaba (NYSE:BABA) founder and one of China’s richest billionaires Jack Ma (fortune, according to Forbes Real-Time, $23 billion) is no longer the head of one of China’s most powerful business associations, the Financial Times reported. In 2015, Ma helped found the Zhejiang General Association of Entrepreneurs in his home province. It has become the most prominent in China, and Zhejiang province has been called the birthplace of Chinese capitalism, the FT wrote. On December 7, the association announced that its new head was Nan Qunhui, president of Chint Group (an energy solutions provider), and Ma would be an “advisor.”