Established ‘Sell in May’ philosophy looks broken, and that could be good news for Bitcoin

“Sell in May and go away” is the idea that stocks reliably underperform between May and October, and it describes a market that might no longer exist. Bloomberg Intelligence data shows the S&P 500 ETF has closed the May-October period in positive territory in 25 of the last 33 years, with only one negative summer stretch in the past decade. Bespoke data cited by Bloomberg shows the cumulative return f…