Stocks Suffer Biggest Monthly Drop In Five Years As Oil Spikes Most Since 1990 By: TalkMarkets August 31, 2015 at 19:58 PM EDT The biggest 3-day rise in WTI since 1990 marked the end of a basically bad month for equities. Read More >> Related Stocks: SPDR GOLD Silver Trust Ishares iPath Dow Jones-Goldman Sachs Crude Oil Fund