Palantir surged nearly 15% after hours after a strong Q2 beat and raised outlook, while Jim Cramer questioned whether its rally can last.

Palantir (PLTR) expected to report Q2 earnings of 35 cents per share and $1.81 billion in revenue. Analysts have mixed opinions on stock.

Palantir (PLTR) stock rises premarket ahead of Q2 earnings while facing new NHS contract scrutiny over its data platform.