Here’s the best way to spot stock-market winners, according to this 25-year tech analyst By: MarketWatch December 14, 2021 at 10:00 AM EST Mark Mahaney says look for high-quality companies whose stock price has fallen 20% or more. Read More >> Related Stocks: Airbnb Inc Cl A Alphabet-A Alphabet-C Amazon.com Apple Blue Apron Holdings Inc Doordash Inc Cl A Groupon Cl A Microsoft Spotify Technology S.A. Tesla, Inc. Uber Technologies Inc eBay