ETF investors have lately been seeking out safe, sound and stable stocks as the market turned more volatile. Stocks likely to make the whiz-bang moves are getting a lot less love. A deterioration in credit market conditions is contributing to choppiness in the stock market, Russ Koesterich, BlackRock’s global chief investment strategist, wrote in a Nov. 9 report. “We continue to favor a tilt toward quality,” he added.