The U.S. dollar strengthened to a two-week high lately versus a basket of major currencies as market watchers are betting big on a Fed taper sooner rather than later despite a surge in COVID-19 cases. This is especially true given that the European Central Bank (ECB) walked somewhat that way. The ECB will slow down emergency bond purchases over the coming quarter. This would be a step forward for the ECB toward unwinding the emergency aid that has shored up the Euro zone economy during the coronavirus pandemic (read: ECB Trims Support, Will Fed Follow Suit? ETFs in Focus).Such a move by the ECB has every reason to trigger Fed’s taper talks. In any case, markets were abuzz with such speculation in August. The tapering move is more meaningful for the United States where inflation is running high.Federal Reserve Bank of New York President John Williams said the U.S. central bank is likely still on track to slow the pace of its bond-buying stimulus effort this yearalthough he did not mention the timeframe. The Philadelphia Fed President Patrick Harker became the latest official to see the start of tapering this year, saying in a Nikkei interview, as quoted on Reuters (read: Top ETF Stories of August).Plus, the spread of the Delta variant of COVID-19 is another concern, which may slow down global growth further. It appears to be a win-win situation for the greenback as the global health crisis has not dissipated yet. This fact provides support to the safe-haven trades. On the other hand, vaccination might reverse the economic slowdown in the United States and take the economy back to a faster growth path, which will boost the country’s currency.Given the above-mentioned facts, the bullish trend in the greenback is likely to continue, at least in the near term.ETFs to BuySo, investors looking to play the strengthening U.S. dollar could consider the below-mentioned ETFs:DollarThe dollar strength can sure be played with Invesco DB US Dollar Index Bullish ETF UUP and WisdomTree Bloomberg U.S. Dollar Bullish ETF USDU.Small CapsSince small caps are closely tied to the U.S. economy and do not get affected by a rising dollar due to their limited foreign exposure, iShares Russell 2000 Growth ETF IWO could be a good pick. Small-cap investing is more prudent at this time as several U.S. economic data points are decent (if not great) of late.Dollar-Denominated Bond ETFsInvestors seeking EM exposure amid a strong dollar can consider dollar-denominated EM bond ETFs. These funds invest in sovereign debt from a variety of emerging nations via U.S. dollar-denominated securities. Notably, the debt route is less risky than equities. Moreover, most emerging markets have low debt levels compared to developed countries. iShares J.P. Morgan USD Emerging Markets Bond ETF EMB is one such ETF. The fund yields 3.87% annually.Currency-Hedged JapanThe global market rally has been weighing on safe-haven asset, Japanese yen. After underperforming for several months, Japan stocks have gained momentum lately on hopes of a stronger government ahead of a ruling party leadership race and a general election in November (read: Japan Topix Hits 30-Year High: ETFs to Tap).The resignation of prime minister Yoshihide Suga has opened the door for the new government, which will likely unveil an economic package to support the pandemic-hit businesses and families. As such, the move has spurred bets on a strong economic recovery by the end of the year. If this happens, currency-hedged Japan ETFs like WisdomTree Japan Hedged Equity ETF DXJ should do well.ETF to SellInverse Dollar FundNeedless to say, if dollar rises, a short position on the currency would result in negative returns. Invesco DB US Dollar Index Bearish Fund UDN should thus be avoided. Tech IPOs With Massive Profit Potential In the past few years, many popular platforms and like Uber and Airbnb finally made their way to the public markets. But the biggest paydays came from lesser-known names. For example, electric carmaker X Peng shot up +299.4% in just 2 months. Think of it this way… If you had put $5,000 into XPEV at its IPO in September 2020, you could have cashed out with $19,970 in November. With record amounts of cash flooding into IPOs and a record-setting stock market, this year’s lineup could be even more lucrative.See Zacks Hottest Tech IPOs Now >>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 WisdomTree Japan Hedged Equity ETF (DXJ): ETF Research Reports Invesco DB US Dollar Index Bullish ETF (UUP): ETF Research Reports iShares Russell 2000 Growth ETF (IWO): ETF Research Reports WisdomTree Bloomberg U.S. Dollar Bullish ETF (USDU): ETF Research Reports Invesco DB US Dollar Index Bearish ETF (UDN): ETF Research Reports iShares J.P. Morgan USD Emerging Markets Bond ETF (EMB): ETF Research Reports To read this article on Zacks.com click here. Zacks Investment Research