Today is perhaps not a day on which a lot of investors will conduct spending sprees; the Dow's down 1.10 percent right now, which isn't at all encouraging. But Deutsche Bank has come to believe that investors almost definitely shouldn't acquire shares of Baidu, downgrading the stock from "Buy" to "Hold." Deutsche Bank analyst Alan Hellawell explained his company's stance in a research note, stating, "With Baidu's monetization metrics having taken a step up to a higher level,