https://www.cnbc.com/2019/03/28/warren-buffett-says-regular-investors-shouldnt-buy-hot-ipos.html > On the eve of Lyft's much-anticipated initial public offering, billionaire investor Warren Buffett said regular investors shouldn't attempt to buy hot offerings in a hot market. > While he was speaking generally of IPOs and not specifically of Lyft, the comments by Berkshire Hathaway's CEO come amid a big wave of announced and anticipated IPOs as Silicon Valley's "unicorns" rush to market. Unicorn is the tech industry's term for a private company that has achieved a valuation above $1 billion even before selling stock to the public.