Expensive? Reasons why some might disagree include;
1.They say that to see if a chart is going exponential, you should make sure you are using a log scale. When you do that for TPM, it doesn't look exponential to me.
2. Ex div yesterday, so some retracement
3. TPM is a Lincoln Star Stock with a valuation of $5.88
4. Bubble price is somewhere near $8 using 2015 forecast earnings.