Direxion dominates the exchange-traded fund leaderboard, with top 10 ETFs seeing annual gains. Gold prices double, hitting record $4,000 an ounce. Uptrend follows stocks hitting yearly lows in April. Direxion sees bullish performance, but advises caution as markets can quickly turn. ETF industry on track for record year.

Unexpected U.S.-China trade spat causes nearly 900-point drop in Dow Jones Industrial Average. Trump threatens tariffs after China outlines rare-earth export controls. Markets quickly reverse, rebounding on Monday. Direxion sees inflows into bear funds, signaling possible market reversal. ETF industry expects record year with $1 trillion inflows.

Read more at Yahoo Finance: ETF leader board dominated by nimble funds