But JPMorgan's Kelly worries that "markets seem to be pricing in the positives, and not worrying too much about the negatives" such as a potential trade war or fiscal stimulus that overheats the economy.
Quinlan agrees that trade remains a serious risk given Trump's anti-trade rhetoric during the campaign. Already, Trump has scrapped the TPP trade deal and plans to swiftly start renegotiating NAFTA.
"We need open borders, open trade and open flow of capital. If we start going down this deglobalization road, this market is going to lose its euphoric underpins pretty quickly," Quinlan said.
Yardeni said the verdict is still out on whether the enthusiasm on Wall Street is overdone.
"Is the market irrationally exuberant or will Trump prevail in a way that's bullish for the economy?" he asked. "The bottom line on Trump is: love him or hate him, you don't want to bet against him."