
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Investor Xiao Li bought 5,000 shares of a stock at 21 yuan per share when the stock price increased by 5%. By the end of the day, the stock price had decreased by 6%. The next day, the stock increased by 10%, and Xiao Li sold the 5,000 shares. If transaction fees and other charges are ignored, Xiao Li (fill in profit or loss) ____ yuan from the buying and selling of this stock.

Present the answer in LaTex format: \boxed{Your answer}
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