indexes: https://www.morningstar.com/index-etfs https://investor.com/inverse-short-etfs-bearish-etf-funds common sectors: S&P 500: comprehensive: indexes: 1x: SPY 2x: SSO 3x: UPRO inverses: 1x: SH 2x: SDS 3x: SPXU, SPXS mid cap: indexes: inverses: small cap: indexes: inverses: NASDAQ Russell 2000 Dow Jones Emerging Markets indexes: VTI SPY VOO IVV inverse: 1x: