Mercury's location in your birth chart influences all of this! Mercury never travels more than 28 degrees from the Sun, so many people will have Mercury in the same zodiac sign as their Sun.
From Monday to Friday, the stock market remains open from 9:30 am to 4:00 pm, EST. PST time is 6:30 am to 1:00 pm.
Confidence votes 552. The US stock market officially closes at 4:00 pm EST, but there is after hours trading after 4:00pm, usually limited to high net worth investors.