`Manic’ Market Optimism Is a Warning Sign to Investors

There’s been little to shake the happy-go-lucky attitude in US stocks this year. To some investors, all that optimism suggests there may be trouble ahead.The pessimist take at the moment is that investors have largely already filled up on stocks, so there’s not a lot of buying power left to keep propelling higher prices. One indicator, known as the Bloomberg Intelligence Market Pulse Index, combines metrics like market breadth, volatility and leverage, to create signals of investor sentiment. Th