On the weekly chart the 50ma is flat - this gives an indication that the trend is flat. After a year of no trend it would be far too early to get into a long-term long position. While price is , there isn't any real conviction of a strong bull trend.
On the , however, yesterday price gapped up through the resistance on high (due to ). In the near-term there may well be further movement to the upside so a quick profit could be realised.
Overall, however, this stock needs to retest the previous resistance ($81.37) before a good, longer-term buy opportunity takes hold.