1. Palantir expands lawsuit against ex-employees for violating non-solicitation agreements. 2. Percepta AI CEO Hirsh Jain is accused of poaching Palantir talent. 3. Defendants allegedly took sensitive Palantir documents and source code. 4. Palantir's stock price has risen significantly, reaching a market cap of $450 billion. 5. The suit seeks to restrict defendants from working at Percepta for 12 months.