European stocks followed U.S. equity futures and Asian stocks lower as shaky company earnings and the prospect of higher U.S. borrowing costs unnerved investors. Bond yields fell a second day. The Stoxx Europe 600 Index fell to the lowest level in a month weighed by miners, travel and leisure and automakers. Nasdaq 100 underperformed the S&P 500 after the tech-heavy gauge entered a correction Thursday. Demand for havens pushed the 10-year U.S. Treasury yield below 1.80%.