Wall Street has been showing immense strength on a vaccine development, which is being viewed as “a beginning to the end” of the coronavirus pandemic, and the prospect of divided congress, which is considered favorable for the economy.Moderna MRNA and Pfizer PFE reported encouraging data from the late-stage trial of their COVID-19 vaccine. Moderna’s vaccine candidate was 94.5% effective against coronavirus while Pfizer’s potential vaccine was more than 90% effective. Meanwhile, Democratic candidate Joe Biden is likely to gain the control of the White House having become the presumptive president-elect of the United States while Republicans may keep the Senate. The combination will lead to favorable economic policies with reduced chances of major tax increases and tighter regulations (read: Biggest ETF Winners from Coronavirus Vaccine News).Notably, the Dow Jones hit an all-time high on Nov 16 since February, marking its fastest bear market recovery in 30 years. This is especially true as the benchmark took 1,483 trading days to carve out a new all-time high after hitting a bear market, per Dow Jones Market Data. The Dow Jones is up about 60% since its Mar 23 bear market.However, surging COVID-19 cases lately and the growing threat of a fresh round of economic lockdown have been weighing on investors’ confidence. According to Reuters, New Jersey, California and Iowa imposed fresh restrictions as the pandemic reached its most perilous point in the United States, threatening to worsen as the colder weather sets in.Against such a backdrop, investors should focus on high-quality investing.Why Quality Investing?Quality stocks are rich in value characteristics with a healthy balance sheet, high return on capital, low volatility, elevated margins, and a track record of stable or rising sales and earnings growth. These products thus reduce volatility when compared to plain vanilla funds and hold up rather well during market swings. Further, academic research shows that high-quality companies consistently deliver superior risk-adjusted returns than the broader market over the long term (read: ETF Strategies to Play as Coronavirus Outbreak Aggravates).Given this, we have highlighted five ETFs targeting this niche strategy. These could enjoy smooth trading and generate market-beating returns in the current market environment.iShares Edge MSCI USA Quality Factor ETF QUALThis fund provides exposure to large and mid-cap stocks exhibiting positive fundamentals (high return on equity, stable year-over-year earnings growth and low financial leverage) by tracking the MSCI USA Sector Neutral Quality Index.Expense Ratio: 0.15%AUM: $21.4 billionAverage Daily Volume: 843,000 sharesInvesco S&P 500 Quality ETF SPHQThis fund tracks the S&P 500 Quality Index, a benchmark of S&P 500 stocks that have the highest-quality score based on three fundamental measures — return on equity, accruals ratio and financial leverage ratio.Expense Ratio: 0.15%AUM: $2.4 billionAverage Daily Volume: 485,000 sharesFlexShares Quality Dividend Index Fund QDFThis ETF follows the Northern Trust Quality Dividend Index, which provides exposure to a high-quality income-oriented portfolio of long-only U.S. equity securities, with an emphasis on long-term capital growth and a targeted overall beta that is similar to that of the Northern Trust 1250 Index (read: 5 Dividend ETFs to Ride Out Market Volatility).Expense Ratio: 0.37%AUM: $1.4 billionAverage Daily Volume: 47,000 sharesSPDR MSCI USA StrategicFactors ETF QUSThis fund offers exposure to stocks that blend low volatility, quality and value exposure in a single strategy. This is done by tracking the MSCI USA Factor Mix A-Series Index.Expense Ratio: 0.15%AUM: $829.7 millionAverage Daily Volume: 66,000 sharesJPMorgan U.S. Quality Factor ETF JQUAThis ETF offers equity exposure with a portfolio comprising the highest-quality U.S. stocks (defined by profitability, financial risk and earnings quality that aim to outperform over time) in each sector.Expense Ratio: 0.12%AUM: $423.9 millionAverage Daily Volume: 90,000 sharesBottom LineQuality ETFs often provide a hedge against market volatility. Adding any of the above-mentioned products to one’s long-term portfolio could be a good move given their credit worthiness and soundness.Want key ETF info delivered straight to your inbox?Zacks’ free Fund Newsletter will brief you on top news and analysis, as well as top-performing ETFs, each week. Get it free >> Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report Pfizer Inc. (PFE): Free Stock Analysis Report Moderna, Inc. (MRNA): Free Stock Analysis Report Invesco S&P 500 Quality ETF (SPHQ): ETF Research Reports SPDR MSCI USA StrategicFactors ETF (QUS): ETF Research Reports iShares MSCI USA Quality Factor ETF (QUAL): ETF Research Reports FlexShares Quality Dividend ETF (QDF): ETF Research Reports JPMorgan U.S. Quality Factor ETF (JQUA): ETF Research Reports To read this article on Zacks.com click here. Zacks Investment Research Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report