货币贬值（又称通货贬值）是货币升值的对称，是指单位货币所含有的价值或所代表的价值的下降，即单位货币价格下降。
Currency depreciation (also known as currency devaluation) is the counterpart of currency appreciation. It refers to a decrease in the value contained in or represented by a unit of currency, that is, a decrease in the price of a unit of currency.
炒作，是指非常规宣传的手段。（1）指借助媒体反复进行夸大、不切实际的宣传，以扩大影响；如：新闻炒作。（2）指频繁地买进卖出，制造声势，以从中牟利。如：该股票经轮番炒作，股价飙升。
Hype refers to unconventional means of publicity. (1) It refers to repeatedly exaggerating and unrealistic publicity with the help of the media to expand the influence; such as: news hype. (2) It refers to frequent buying and selling to create momentum in order to make a profit. For example: After repeated hype, the stock price soared.