Markets Are Historically Healthy When These Take Place By: TalkMarkets March 21, 2015 at 14:20 PM EDT When these ratios and the A/D lines are heading higher, markets historically are reflecting positive/bullish price action. Read More >> Related Stocks: Dow Industrials SPDR Mid Cap SPDR 400 Trust, Series 1 Russell 2000 Ishares ETF SPDR S&P 500 ETF Trust