The extreme bubble in stocks 'will end in tears' with the S&P 500 plunging 64%, a long-time bear who called the 2000, 2008 crashes has warned. Here are his 6 best quotes.

• John Hussman, an asset-bubble expert, forecasts the ongoing rally in US stocks will "end in tears." 
• The S&P 500 risks a 64% collapse given extreme valuations and "unfavourable market internals," he said. 
• Here are the long-time market bear's six most striking quotes from a recent note. 

The US stocks have enjoyed an impressive rally in 2023, thanks to a combination of cooling inflation, fading recession fears and hype over artificial intelligence.

But don't bet on the cheer lasting long, according to John Hussman.