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StocksMedium•9 March 2026•

1 min read

Biotech Stocks Surge: XENE and RLMD Record Massive Single-Day Gains

Key Facts

1Xenon Pharmaceuticals (XENE) stock surged 49.6% to reach $62.76.

2Relmada Therapeutics (RLMD) stock recorded a 61.1% gain, reaching $7.17.

3The massive moves followed major news that led investors to re-rate both stocks.

The biotechnology sector witnessed extraordinary volatility today as Xenon Pharmaceuticals and Relmada Therapeutics saw their share prices skyrocket. Xenon Pharmaceuticals (XENE) shares surged by 49.6%, reaching a closing price of $62.76. Meanwhile, Relmada Therapeutics (RLMD) recorded an even more significant gain of 61.1%, with the stock climbing to $7.17. These massive price movements followed major corporate developments that prompted investors to aggressively re-rate both companies. The magnitude of these gains highlights renewed investor interest in small-cap clinical-stage biotech firms. Such performance is expected to influence broader sentiment within the sector and related exchange-traded funds like IBB and XBI.