Fat Brands-B shares surge 328.13% intraday as stock surges 468.75% in regular trading hours.

think> Okay, let's see. The user wants me to act as a financial analyst explaining a stock's price movement based on news events. The stock in question is Fat Brands B, which had an intraday up of 328.125%. The trading period is intraday. There are five news reasons provided. First, I need to determine if the stock moved up or down and the trading session. The input says it's intraday and up 328.125%. The user also mentioned rounding to two decimals, so that becomes 328.13%. Next, evaluate each news event for relevance. The first reason mentions FAT Brands-B surging 468.75% to $1.82 with $67.59M turnover. The second reason says it soared 650% pre-market to $2.4. The third is similar to the first. The fourth and fifth are in Chinese, mentioning a 650% rise pre-market. All these news items are about FAT Brands-B (FATBB.US) surging in different sessions—pre-market and regular trading. The stock in question here is intraday, so the intraday movement might be part of the same day's trading. The user's input mentions "盘中 intraday" which is during regular trading hours. The news events include both pre-market and regular trading surges. For example, Reason 1 and 3 are regular trading hours, while Reason 2 and 4/5 are pre-market. However, the stock's performance here is intraday, so the relevant news would be those that occurred during the same trading period. Wait, the stock's movement is intraday, which is during regular trading. The news events include both pre-market and regular trading. But the key is to find the cause for the intraday movement. If the news during regular trading (Reason 1 and 3) caused the surge, that's relevant. However, the pre-market surges might have triggered increased buying during regular hours. The content of the news is "Operations too frequent" which is unclear, but the summaries state the percentage increases. The problem is that the news events don't provide a clear reason for the surge, just that it happened. The user's example shows that the cause is the news event itself. So even if the news doesn't explain why, the fact that the stock surged in a specific session is the cause. So, the answer would be that FAT Brands B surged 328.13% intraday due to the news that it surged in regular trading hours (Reason 1 and 3). However, the news events don't provide an actual reason, just the surge. The example given in the user's input used the news event as the cause. Therefore, even if the news is just stating the surge, we can link the stock's movement to the news. But wait, the user's example had a specific cause (signing an agreement), whereas here the news is just reporting the surge. So maybe the answer should state that the surge was reported in the news, hence the movement. However, the instructions say to link the movement with relevant news events. If the news events are just describing the movement, not the cause, then maybe there's no actual cause provided. But the user's input requires us to evaluate if the news events are relevant. In this case, the news events are about the same stock's price movement in different sessions. For example, Reason 1 and 3 mention the stock surging 468.75% in regular trading hours. The stock's intraday movement is 328.125%, which is less than the 468.75% in the news. However, the news could be indicating a broader trend or catalyst that led to the intraday movement. But since the news doesn't provide an underlying reason (like a business development or earnings report), the cause is just the reported surge itself. However, the example in the user's input used the news event as the cause. Therefore, in this case, the answer should state that the intraday surge was due to the news that the stock surged in regular trading hours. But wait, the user's example had a specific event (signing an agreement), so the cause was the event. Here, the cause is the news that the stock is surging, which is the same as the stock's movement. That seems circular. However, the instructions say to link the movement with the news events. If the news events are just reporting the movement, then perhaps there's no actual cause. But the user's example shows that even if the news is about the same movement, it's considered relevant. In this case, the answer would be that FAT Brands B surged 328.13% intraday, and the key news was that it surged in.