It's been a rollercoaster day for oil prices, with big drops in the benchmark rates after an earlier rise. And part of the reason seems to be the new $60 per barrel price cap on Russian seaborne crude oil which took effect on Monday, supported by the EU, the G7 and Australia.

Ukraine's energy company warns of even more power-cuts after Russia sent a new volley of missiles, hitting the country's already damaged electricity and water systems - so how possible is it do to business at all there?

Black founders of US startups find it far harder to get financial backing according to research co-authored by Federal Reserve Governor Lisa Cook, which claimed such businesses raise just one-third as much venture capital over the first five years as other comparable businesses formed at the same time.

And could you be damaging your financial strength by keeping your finances separate from your partner?

Roger Hearing is joined from Hong Kong by Rachel Cartland, director of Cartland Consulting and a former assistant director of Social Welfare in the Hong Kong government, and Colin Peacock, producer and presenter of Mediawatch on Radio New Zealand, live from Wellington.

(Image: Oil tanker stock photo, credit: Getty Images) Show less