Lululemon stock stretches higher but SentinelOne plummets by a third, and other big movers
Here are some of the biggest movers in premarket trading Friday: Stock gainers: MongoDB Inc. shares MDB, +0.06% roared more than 25% higher in premarket trading Friday after the database-software company blew away expectations with its earnings and forecast delivered after Thursday’s closing bell. Shares of Lululemon Athletica Inc. LULU, -1.08% rallied nearly 15% after…