The latest sign of a stock market bubble: Small companies claiming to disrupt large industries By: MarketWatch July 06, 2020 at 11:20 AM EDT Investors can’t get enough of insurance startup Lemonade, which is tiny and unprofitable. Read More >> Related Stocks: Alphabet-A Alphabet-C Amazon.com Apple Berkshire Hathaway Dominion Resources Dow Industrials SPDR Facebook Lemonade Inc Microsoft