The recent one-day drops of 7.01% in semiconductors and 14.18% in the DRAM ETF are a favorable buying opportunity, because single-day falls of 6% or more are characteristic of bull markets, not peaks. Since 2011, forward returns one, three and six months after such drops have been positive more than 88% of the time, with one-month gains typically exceeding the initial loss. x.comÂ