The S&P 500 gained 24% in 2023, and is up more than 12% so far this year. Those are substantial numbers, and it’s tempting to think that these good times will just keep rolling along. Ed Yardeni, the market expert behind Yardeni Research, is bullish – but he’s also both cautious and realistic. He believes that the markets will continue to post gains this year, albeit at a slower pace than we’ve seen recently. He puts a 5,400 target on the S&P 500 index, suggesting just a 1% gain from current lev