iShares Nasdaq Biotechnology Index slides after relief rally fades The ETF is down nearly 3% at time of writing to $228.15. At that price there is a zone of support which could become a downside area to test from $227.24 to $220.65. Resistance is at $231.58.
iShares Nasdaq Biotechnology Index trades near resistance There has been a broad recovery in the underlying, but price has stopped short of testing the top of the bearish price channel. The 10-day moving average is a reasonable proxy for the channel line and was last at $350.12. Support is at $346.22.