Primary market prices are often set beforehand, while prices in the secondary market are determined by the basic forces of supply and demand. If the majority of investors believe a stock will increase in value and rush to buy it, the stock's price will typically rise.
The next good solar eclipse visible from Pennsylvania will be on 21st August 2017 when a large partial eclipse occurs (80% of the Sun's diameter obscured at maximum). This eclipse will be seen as total along a line from Oregon to South Carolina.
Apr 12, 2014. 1  You can watch the first total lunar eclipse visible throughout North America in more than three years early next week -- if you're willing to stay up late. 2  The total eclipse will peak around 3 a.m. E.T. on April 15 and will be visible throughout the U.S., NPR reports.