Based on your financial expertise, provide your response or viewpoint on the given financial question or topic. The response format is open.

Why GOOG is “After Hours” while FB is “Pre-market”?
Pre-Market trading activity is shown on the site from 4:15 - 9:30 AM (actual trading starts at 4:00 AM EST) The NASDAQ Stock Market Trading Sessions (Eastern Time) Pre-Market Trading Hours from 4:00 a.m. to 9:30 a.m. Market Hours from 9:30 a.m. to 4:00 p.m. After-Market Hours from 4:00 p.m. to 8:00 p.m. Read more: http://www.nasdaq.com/about/trading-schedule.aspx#ixzz38OtcISrq In this case GOOG did not trade in the Pre-market until that time and FB was.