Here are ETFs for each of the following investing goals:
Balanced:
$VOO: the 500 largest US companies
$VTI: the entire US stock market, mega caps to small caps
$VT: the whole global stock market in one fund
Tech:
$QQQM: the 100 largest non-financial Nasdaq companies
$SCHG: the fastest-growing US large caps
$XLK: the tech sector of the S&P 500
Sector:
$SMH: the 25 largest semiconductor companies
$XLV: the health care sector of the S&P 500
$XLE: the energy sector of the S&P 500
Dividend:
$SCHD: 100 US dividend payers screened for financial strength
$VYM: US companies with above-average dividend yields
$VIG: companies with 10+ straight years of dividend increases
Global:
$VEA: developed markets outside the US
$IEMG: emerging markets like Taiwan, India, China, and Brazil
$VXUS: developed and emerging international markets combined
Commodity:
$GLDM: physical gold bullion
$SIVR: physical silver bullion
$USO: WTI crude oil futures
Small Cap:
$IWM: roughly 2,000 US small caps
$IJR: 600 small caps screened for profitability
$AVUV: cheaper small caps with strong profitability
Real Estate:
$XLRE: the real estate sector of the S&P 500
$ITB: homebuilders and their suppliers
$SCHH: US REITs that own property and collect rent
Bonds:
$SGOV: US Treasury bills maturing in 0-3 months
$BND: a broad mix of US investment-grade bonds
$TLT: US Treasuries maturing in 20+ years
Source:
@ETFInvestmentsX