On the move: 3 ETFs to watch

Biotech Bull and Bear 3X ETF is Friday's top mover after declining 11.61%

Leading equity indices in the US declined as S&P 500 closed at 3,861.59, a 1.45% change. After dropping 1.76%, Nasdaq closed at 11,139.

“Top Movers” are assets that recorded the highest percentage change compared to their nearest peers. Friday's most active etfs are listed below.

ProShares Ultra VIX Short-Term Futures ETF | Closed +20.66% at $6.25

ProShares Ultra VIX Short-Term Futures ETF is up 16.4% from the significant low of $4.45 it hit 6 days ago.

IPath Series B S&P 500 VIX Short-Term Futures ETN | Closed +11.41% at $52.93

Over the past 2 days, iPath Series B S&P 500 VIX Short-Term Futures ETN has retreated 10.24% from a noteworthy peak of $52.93.

Biotech Bull and Bear 3X ETF | Closed 65 cents (-11.61%) lower at $4.95

Biotech Bull and Bear 3X ETF is now trading 70.34% below the significant high of $18.88 it set around 11 months ago.