(Bloomberg) — The record-setting advance in U.S. stocks is fueling readings of investor bliss not seen for the reason that dot-com period. Beneficial properties in Tesla Inc. and Apple Inc. following stock splits helped push the Nasdaq 100 previous 12,000.A sentiment gauge, Citigroup’s panic/euphoria model, which tracks metrics from choices buying and selling to brief gross sales and publication bullishness, is having its longest run of maximum bullishness for the reason that early 2000s. At round 1.1, the present studying is sort of 3 times the extent that denotes euphoria. Tesla jumped 8.5% and Apple climbed 3.6% as the 2 started their first day of buying and selling at a extra accessible price level.Bulls’ grip in the marketplace is tightening, emboldened by a rally that has proven no indicators of abating in the course of the quickest bear-market restoration in historical past. Up 7% this month, the S&P 500 is poised for one of the best August since 1986. Choices merchants are piling in on bullish wagers whereas bears are quick disappearing. Out of the blue, huge down days are nowhere to be discovered and file highs are the brand new norm.Stocks “continue to get deeper into euphoric land,” mentioned Peter Boockvar, chief funding officer at Bleakley Advisory Group. “Call this ultra extreme bullishness and while it will only matter when it does, it usually eventually does.”The S&P 500 has surged greater than 50% from its March trough, climbing each month alongside the way in which. After absolutely erasing 2020’s bear market loss, the benchmark gauge has notched a string of all-time highs in August, together with six in a row via Friday. One other one would make this streak the longest since 1997. The index swung between good points and losses throughout Monday’s morning buying and selling.Momentum chasers are flocking to winners like Tesla and Apple, bidding up their shares and sparking a buying and selling surge in name choices. Shares of Tesla are up 450% for the reason that market’s March low whereas Apple has greater than doubled, turning into the primary American firm to attain the milestone of $2 trillion in market value. Three S&P 500 corporations — L Manufacturers Inc., Superior Micro Units Inc. and FedEx Corp. — have seen their shares leaping greater than 50% this quarter.Serving to drive the fairness advance are fiscal and financial insurance policies launched to fight the Covid-19 pandemic. Whereas the economic system and company income are caught in recessions, the hope on vaccines is instilling confidence in a swift restoration. Buyers are keen to pay up for earnings, sending the S&P 500’s price-earnings ratio to the best degree in twenty years.Worry of meaningfully underperforming the market may have prompted cash managers to chase the good points, in response to Tobias Levkovich, chief U.S. fairness strategist at Citigroup. Whereas a dovish Fed gives help to the market, it’s worth noting that comparable readings within the panic/euphoria model traditionally nearly all the time corresponded to adverse returns over the following 12 months, he mentioned.“That’s why we sit there and think about what happened in 1999, 2000,” Levkovich mentioned by cellphone. “We don’t think it’s the same bubble and we don’t think we have the same Fed policy trend, but it does make us a little concerned that people are a bit too happy with their positioning and too complacent.”For extra articles like this, please go to us at bloomberg.comSubscribe now to remain forward with probably the most trusted enterprise information supply.©2020 Bloomberg L.P.