Facebook stock tumble continues

John Kell and Kaitlyn Kiernan for the Wall Street Journal:

Facebook Inc. shares continued to show weakness Tuesday amid a swirl of uncertainty and rumors, with the social network’s stock sliding below $30 and now more than 20% off from where it debuted less than two weeks ago.

The article notes that option trading on Facebook started today, in which investors can bet on the future of the stock. According to the report, “The largest option trades, however, bet on Facebook seeing more downside this summer, pegging a $25 share price by mid-July.”