Every stock market is different.
China markets have a 90 minute lunch mid day. South Korea prohibits short selling (Thailand now too). Taiwan charges 30 bps for overnight positions.
The nasdaq will become 24 hours soon .

There’s no such thing as a general market. They’re very diverse.

Encode you message as the second letter in ever word. “Coded message” could be: “actually, your odd text added small fears as ester calls, egg deficiencies…”

In prison, you’d have plenty of time to choose more natural sounding words.