please complete both Q9 and Q10 with explanation if possible, the promt is in the first photo

Due to the secrecy of their trading activities, people still don't have a complete list of stocks that were held by Archegos Capital Management and later dumped to the market. Some stocks that are identified are: Viacome CBS (VIACA), Discovery (DISCA), Tencent Music Entertainment (TME), Baidu (BIDU), GSX Tech (GOTU), Vipshop (VIPS), RLX Technology (RLX). Go to Yahoo Finance, download the daily stock return of these seven stocks from March 22 to March 29, 2021, form an equal weighted portfolio. Questions: 09. What is the average return of this portfolio during this period? What is the cumulative return of this portfolio during this period? What is the correlation coefficient of the portfolio daily return and the S&P 500 daily return during this period? Q10. Is there a way that you can avoid these stocks ex-ante? What kind of information do you need to identify these stocks? Due to the secrecy of their trading activities, people still don't have a complete list of stocks that were held by Archegos Capital Management and later dumped to the market. Some stocks that are identified are: Viacome CBS (VIACA), Discovery (DISCA), Tencent Music Entertainment (TME), Baidu (BIDU), GSX Tech (GOTU), Vipshop (VIPS), RLX Technology (RLX). Go to Yahoo Finance, download the daily stock return of these seven stocks from March 22 to March 29, 2021, form an equal weighted portfolio