As of June 30, 2026, three stocks in the health care sector could be flashing a real warning to investors who value momentum as a key criteria in their trading decisions.Here’s the latest list of major overbought players in this sector.Definium Therapeutics Inc (NASDAQ:DFTX)

On June 23, the company announced the pricing of a $700 million public offering of 20,588,236 shares at $34.00 per share. The company’s stock gained around 92% over the past month and has a 52-week high of $47.20.

RSI Value: 89.2

DFTX Price Action: Shares of Definium Therapeutics gained 3.6% to close at $46.55 on Monday.

Nurix Therapeutics Inc (NASDAQ:NRIX)