Key TakeawaysPalantir, MicroStrategy, and Axon Enterprise joined the Nasdaq 100 index on Monday. The index contains the 100 largest non-financial sector companies in the Nasdaq Composite Index and is reconstituted annually. The new additions replace Super Micro Computer, Moderna, and Illumina.  Palantir Technologies (PLTR), MicroStrategy (MSTR), and Axon Enterprise (AXON) joined the Nasdaq 100 Index on Monday, pushing out Super Micro Computer (SMCI), Moderna (MRNA), and Illumina (ILMN), the Nasdaq said Frid ...