Renowned value investor Jeremy Grantham weighs in on "unbearable levels of ecstasy"--and why stocks could lose 50%.<p> </p><p>Learn more about your ad choices. Visit <a href="https://megaphone.fm/adchoices">megaphone.fm/adchoices</a></p>

Here Comes the Videogame IPO Wave

Get the lowdown on high finance each week with Barron’s columnist Jack Hough. Business leaders and trendspotters, insights and absurdities—this is Wall Street like you've never heard before.