Only appellate courts and higher set precedent. This is one ruling by one judge, means nothing for other cases.
Similarly, a judge in one circuit may look to the decision of a different circuit court when their own circuit has yet to rule on an issue.
I double dare the SEC to appeal
The commission might not exist the very next day and that would be hilarious, they’ll take it back to the New Deal itself and wonder why the SEC survived when so many other New Deal programs got overturned