创业板指拉升翻红

获悉 is a formal written verb meaning “to learn” or “to be informed of.” In news style, it often appears before reported information, functioning like “it is learned that…” or “according to information received…”.

此前 is a formal time expression meaning “before this,” “previously,” or “earlier.” It is used to refer to an earlier situation or action before the current one being reported.

一度 indicates that something happened for a period of time or at one point, often temporarily. It is common in news and formal writing to describe a short-lived change or state.

In financial or statistical contexts, 涨 and 跌 are used with numbers to show increases or decreases. The quantity after them can be a percentage, number, or measure, indicating the amount of change.

至 is a formal written preposition meaning “to” or “up to.” In financial reporting, it often introduces the final level, price, or value reached after a change.