Solar ETF TAN up 7% YTD but lags S&P; key is pending US tariff decision on imports.
The Invesco Solar ETF (TAN) is up about 7% year to date, underperforming the S&P 500's 14% gain, despite solar energy's growing share in new US power capacity. The fund's largest holding, First Solar, is down 14% YTD even after strong earnings and sa...
