FOUR.TO – Horizons Industry 4.0 Index ETF admin 6 years ago Stock Price FOUR.TO Quotes by TradingView Stock Description FOUR.TO is the stock symbol for Horizons Industry 4.0 Index ETF on the Toronto Stock Exchange (TSX). FOUR.TO Profile by TradingView Stock Chart FOUR.TO Quotes by TradingView Technical Analysis Technical Analysis for FOUR.TO by TradingView