Markets guru Jeremy Siegel predicts stocks will keep surging this year - and warns house prices could plunge 20% from their peak

• Wharton professor Jeremy Siegel expects stocks to surge and house prices to tumble.
• The S&P 500 could notch a 20% gain this year, and home prices may fall 20% from their peak, he said.
• Siegel noted there was much more speculation during the dot-com bubble than the current tech rally.

Stocks will soar and house prices will slump in the months ahead, Jeremy Siegel predicted in an interview with Insider this week.