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Tesla's market value has overtaken Ford's after shares in the soared more than 7%. The electric car maker has a market value of $49bn, compared with Ford's value of $46bn. James Brydges asked David Bailey, professor of industry at Aston Business School, whether the news was significant.

MPs have warned the Government about the risks of the UK and EU failing to reach a trading agreement during Brexit negotiations. The cross-party Committee for Exiting the European Union has urged ministers to work out how much 'no deal' would cost - but some committee members weren't willing to support the report. Hilary Benn MP chairs the Committee - he told Share Radio's Alex Clark what his report set out to achieve.

It's time to talk politics. Today: the Brexit committee's chairman on why he's warned the Government of the risks of 'no deal'; why the National Trust has had to deny it's 'airburshing faith'; and should the UK follow a minimum alcohol price?

Global leadership on climate change is in limbo. With cuts to environmental agency coffers and curbs to the enforcement of climate regulations, President Trump has turned the US approach to climate change on its head. What lies ahead for global climate policy? And how can companies be open with their shareholders when it comes to the environment?

Social media was meant to bring us together. Fast-forward to 2017 and we've all gotten stuck in our own bubbles. Can our politics cope? On today's Book Review: '#Republic: Divided Democracy in the Age of Social Media' by Cass Sunstein.

On today's Wrap: Online fashion retailer Asos records a rise in half-year profits and sales, helped by a strong international performance, The FTSE 100 makes good gains even after a tough session for supermarkets, sales in Topps Tiles fall 4% during the first quarter of 2017 and much more. Simon is joined by Chris Bailey, the founder of Financial Orbit.

Tesla's market value has overtaken that of motoring giant Ford. The electric car maker's shares increased more than 7% last night, bringing its market value to $49bn at the close of trading. Ed Bowsher discussed further with tech consultant and journalist Chris Green.

Welcome to the first edition of Taxing Matters, with What Investment magazine. Every month, we’ll be discussing the tax implications of almost anything we choose to do with our money, from cash, business earnings to pension savings and everything else in between. The idea being we make the right decisions and get to keep and grow our finances in as tax efficient way as possible. Our first edition is looking back on the Budget and more specifically the dividend tax allowance. Our guests were David Thorpe, editor of What Investment and Allan Perry, financial adviser from Ascot Lloyd.

Ratings agency S&P has cut South Africa's credit rating to 'junk' status following President Zuma's move to fire finance minister Pravin Gordhan. For the latest developments, Ed Bowsher was joined by Chris Bishop, managing editor of Forbes Africa.

Welcome to Investor Focus - a collection of Share Radio's investment focused pieces. Today: how to diversify your passport; explaining trend investment; and could this so-called "shareholder spring" spread among other FTSE 100 firms.