IRobot posted amazing first-quarter revenue, driving the stock price up 30% in one day to a new 52-week high.  The new stock price is hovering right at $20 per share, up 96% from its late-July low of $10.21 per share.  I'm glad too see such a positive turn around, though it is somewhat bittersweet -- I had been considering a purchase of IRBT shares ever since a prescient analysis by "Robot Stock News" in early December, but lacked funds to make the plunge.  I guess meager graduate student salaries are not conducive to investing.

Here are a few graphs from Yahoo Finance to show the recent share price movement.  First, the last five days:

And here is IRBT's performance for the rest of the year: