Moderna Stock Leapt 4.5% After Joining S&P 500. Why Analysts Don’t Expect More Gains.

Biotech company and Covid-19 vaccine maker
Moderna
officially joined the
S&P 500
index on Wednesday, jumping 4.5% on its first day as a member of the widely followed large-cap benchmark.   Moderna shares (ticker: MRNA) have had an incredible rally…

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