U.S. President Donald Trump stepped up a series of attacks on automakers on Wednesday for not backing his administration's plan to roll back Obama-era fuel efficiency rules, singling out Ford Motor Co in particular for backing a deal with California for stricter fuel economy standards.

Four dominant e-cigarette manufacturers face a probe into the health impacts of their products, as the U.S. House Energy and Commerce Committee asked on Wednesday about the firms' research and marketing practices.

U.S. President Donald Trump on Wednesday said he is not looking to index capital gains taxes to the inflation rate, which could slash the taxes that investors pay on profits from asset sales, or to cut payroll taxes.

The U.S. Securities and Exchange Commission on Wednesday issued new guidance that aims to clarify how investors and advisory firms that cast ballots on their behalf should vote in corporate elections on issues like pay and diversity.

President Donald Trump on Wednesday said he is not looking at indexing capital gains taxes with the inflation rate, a move which could slash the taxes that investors must pay on their profits from asset sales.

An Oklahoma judge will rule on Monday on whether Johnson & Johnson should be held liable in a lawsuit by the state's attorney general who argues the drugmaker should be forced to pay $17 billion for fueling the opioid epidemic.

The liquidity of Britain's short-term power markets is likely to fall by 10-20% if the country leaves the European Union without a deal at the end of October, a senior executive at the EPEX SPOT power exchange told Reuters.

The U.S. Securities and Exchange Commission on Wednesday proposed new guidance that aims to clarify how investors and advisory firms that vote on their behalf should cast their votes in corporate elections on issues like pay and diversity.

EU antitrust regulators want to know whether Facebook's proposed Libra cryptocurrency and its use of consumer data pose possible anti-competitive constraints, people familiar with the matter said on Wednesday.

The following are the top stories from selected Canadian newspapers. Reuters has not verified these stories and does not vouch for their accuracy.