Moderna (MRNA) to Replace Alexion (ALXN) in S&P 500

(Updated - July 15, 2021 5:18 PM EDT)

Moderna Inc. (NASDAQ: MRNA) will replace Alexion Pharmaceuticals Inc. (NASDAQ: ALXN) in the S&P 500 effective prior to the opening of trading on Wednesday, July 21. AstraZeneca Plc (LSE:AZN; NASDAQ:AZN) is acquiring Alexion Pharmaceuticals in a deal expected to be completed soon pending final closing conditions.

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