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.
Pennsylvaniaâs weather-forecasting groundhog, Punxsutawney Phil, is expected to see his shadow on Friday morning, signaling six more weeks of winter weather for the United States. Read Story Photos: Super blue moon eclipse wows onlookers as lunar trifecta occurs for 1st time in 150 years