Stock Market Movers: Top and Worst Performers of 16 October 2026

5. NVAX: Novavax (NVAX) dwindles 12.17% as Citigroup reiterates sell reco.

4. NBIS: Nebius Group (NBIS) falls 12.18% on wider pessimism for AI infra developers.

3. TLK: Telkom Indonesia (TLK) declines 13.66%, mimicking Indonesian stocks as MSCI warns of Indonesia’s exclusion from its stock market indices, thus potentially slashing global exposure.