AOL’s share price has nearly tripled in the past year. It shot up after the company announced plans to sell patents to Microsoft for $1 billion and return profits to shareholders through buybacks and dividends. Since then, the stock has risen 39 percent. Over the past 12 months its shares have risen a stunning 188 percent, outperforming Microsoft, Google and even Apple. But most analysts give the stock a hold rating, reasoning AOL’s core display advertising business isn’t producing a strong revenue stream.