How Luckin Coffee is taking on Starbucks in the U.S.

1. Luckin Coffee launched five stores in NYC, targeting the U.S. market. 2. The chain heavily relies on discounts, offering 30%-50% off through its app. 3. Analysts warn Luckin's current pricing and losses are unsustainable long-term. 4. Luckin surpassed Starbucks in China, generating over $3.5 billion in revenue. 5. Past fraud scandal led to delisting; now trades on a less regulated OTC market.