Legendary investor Warren Buffett has weighed in on the bitcoin craze - while predicting a 'bad ending' for investors who get involved in cryptocurrencies..

Australian shares snapped a five-session streak of gains on Wednesday as investors paused after pushing shares to decade highs in recent sessions.

JPMorgan chief executive Jamie Dimon regrets having called bitcoin a "fraud" but would still not be interested in the cryptocurrency, he said in an interview on Fox Business on Tuesday.

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There just aren't any bears left in the room, or at least they aren't prepared to act in any meaningful way and this seems logical (at this juncture), as swimming against the tide and going against this steamroller is a low probability outcome

Shares of Eastman Kodak surged as much as 147 per cent on Tuesday after the one-time leader in photography became the latest company to jump on the cryptocurrency bandwagon.

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Rising interest rates and end of QE pose major risks to asset markets, warns bank's chief economist.