The 9% drop in Teradata's stock price is a direct result of the cautious comments made at the Barclays Conference. Such remarks can lead to a negative investor sentiment in the short term, as they may imply potential challenges or slower growth for the company. The high relevance score is due to the direct mention of the company in relation to the event causing the stock price movement. The importance is significant as a 9% drop is considerable and can impact investor decisions. The confidence level is high because the information comes from traders citing the specific event that caused the stock price decline.