KEY POINTS
  • The U.S. stock market is going to continue to be tested by rising bond yields the rest of the year, says Wharton School finance professor Jeremy Siegel.
  • The two most important factors in stock prices are earnings and the interest rates — and the good news in earnings is already out, he says.
  • "I don't see what could drive stocks markedly higher this quarter," says Siegel.

The U.S. stock market is going to continue to be tested by rising bond yields the rest of the year, Wharton School finance professor Jeremy Siegel told CNBC on Thursday.

Equities were slammed on Thursday after interest rates hit new multiyear highs.