H&R Block, Inc. (HRB) is a tax return preparation service provider that has performed extremely well over the past year and has the potential to sustain momentum in the near term. Consequently, if you have not taken advantage of the share price appreciation yet, you should add the stock to your portfolio now.What Makes HRB an Attractive Pick?An Outperformer: A glimpse at the company’s price trend reveals that the stock has had an impressive run over the year. Shares of H&R Block have returned 20.3% in a yea ...