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Adaptive Biotech and BridgeBio shares rocket higher on their first day of trade

Ciara Linnane

Adaptive Biotechnologies Corp. shares rocketed 96% in their first ten minutes of trade Thursday, after the company priced its initial public offering above its price range. The life-sciences research and clinical diagnostics company that says data from the immune system is the key to diagnosing and treating diseases, priced its IPO at $20 a share, bove the pricing range it gave early Wednesday of between $18 and $19, which was already a boost from the company's original pricing range of between $15 and $17 a share. Adaptive sold 15 million shares to raise $300 million, and shares are trading on the Nasdaq under the symbol ADPT. The stock of BridgeBio Pharma Inc. , meanwhile, soared more than 70% in its trading debut. That company also priced its IPO above the price range, selling 20.5 million shares priced at $17 each to raise $348.6 million. The price range was $14 to $16. The stock is trading on Nasdaq, under the ticker symbol "BBIO."