Gold, silver succumb to big drop in crude oil, rise in bond yields Gold and silver prices are a sharply lower in midday U.S. trading Tuesday, on a big downside price corrections after both metals hit five-week highs on Monday. Solid losses in the crude oil market and rising U.S. Treasury yields on this day also worked against the precious metals market bulls. June gold futures were last down $26.90 at $1,959.60 and May Comex silver was last down $0.775…