(VGK)

Don't discount the power of momentum. Some studies have found that momentum trading -- buying stocks or exchange-traded funds (ETFs) that are going up -- often works over the short to medium term.

Last year, the Vanguard S&P 500 Growth ETF ranked as the biggest winner among Vanguard's exchange-traded funds (ETFs). That's not surprising.

Investor sentiment reached a 15-year high. These are the crowded trades.

Despite VGK's favorable valuation and decent performance, ongoing European economic and energy crises make it a sell until conditions improve. Europe's worsening natural gas shortage and geopolitical ...

As the threat of new tariffs on Europe draws closer, the price of Vanguard FTSE Europe ETF has shown unusual growth. The VGK ETF's recent price increase is driven by strong Q4 earnings expectations fo...

Look at ETFs with exposure to the Eurozone, as political turmoil, Trump's economic policies and a weak Chinese economy paint a bleak outlook for the region.