Shake Shack to invest more than $10 million in workers, with some high-level salaries reaching $115,000 By: MarketWatch July 21, 2021 at 12:50 PM EDT Shake Shack's investment in its workers includes $1 million in hiring bonuses. Read More >> Related Stocks: Chipotle Mexican Grill Papa John's Intl SPX Shake Shack Inc Six Flags Entertainment Corp