Members of Congress are exempt from insider trading laws. This is one reason why politicians start out middle class and come out rich.
This list is very revealing. Big Pharma is well represented as two of the companies make the marginally effective Wuhan Poke.
You can also see that most of the others on the list have huge investments in China. This is why the corrupt establishment went after Donald Trump with such a zeal as Trump was doing much to impact China from ripping us off as they have with these one sided trade deals since the 70’s.