Although there was real concern about the economy in the markets, analysts have also been warning of an eventual retreat in commodities prices, especially among precious and industrial metals which have seen double-digit percentage increases in prices in just over a month http://news.yahoo.com/s/ap/20090817/ap_on_bi_ge/us_commodities_review
One thing to keep in mind is that the analysts wouldn't be analysts if they really could forecast future prices with the sort of accuracy implied in the article. They would be investing their own funds. If you believe them, you should short silver.