For any stock, the key reference values are: “Price”, “P/E Ratio”, and “52 Week H/L” on a previous date. We need to compare these previous values with the current values, to determine how the stock is performing.
PE of 10 means one expects to earn back the original investment in 10 years. So.. think about it, with PE of 50,or 100, One will need 50,or 100 years to earn back the original investment.