Good news: the ‘stock-bond ratio’ just hit bottom. Here’s how to use it to invest. By: MarketWatch December 16, 2019 at 08:52 AM EST An analysis from Ned Davis Research finds the best way to play the rising fortunes of stocks compared to those of bonds. Read More >> Related Stocks: Ark Innovation ETF ETFMG Alternative Harvest ETF Energy Select Sector SPDR GX Robotics & Artificial Intelligence ETF Micro-Cap Ishares ETF S&P Bank ETF SPDR S&P Oil & Gas Expl & Prod SPDR S&P Regional Banking ETF SPDR United States Oil Fund Vaneck Oil Services ETF