[Behavioral Finance - about 100 words in total]. Researchers have made significant progress in quantifying the market ps

[answerhappygod]

[Behavioral Finance - about 100 words in total].
Researchers have made significant progress in quantifying the
market psychology by applying Big Data approaches like NLP to
various media. Going into the future, what are the challenges we
need to overcome (e.g. you can think about the issues related to
Elon Musk’s attempt to take over Twitter)? Propose a way to
construct a new Big Data based sentiment index, addressing the
concern you stated here [no need to do numerical calculation, but I
want to see your thought process].