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Step 1: Review the formula of compound interest final value.\end{align*}Step 2: Substitute data for calculation.

Therefore, according to the daily increase of 1\%, the increase is about 989.26\% after 240 trading days.&=1.01^{240}This means that after 240 trading days, the overall increase multiple is about 10.8926 times, and the increase is (10.8926-1) \times 100\% = 989.26\%.

Therefore, according to the daily increase of 1\%, the increase is about 989.26\% after 240 trading days.Therefore, the daily increase is 2%, and after 240 trading days, the increase is about 11,488.87 \%.\end{align*}