Stock sell off continues related to Greek crisis

From CNN:

The selloff resumed Friday as investors remained jittery following one of the most gut-churning days in Wall Street history.

The Dow Jones industrial average (INDU) lost 217 points, or 2%, after having been on both sides of the breakeven point in the first 30 minutes of the session. The S&P 500 index (SPX) lost 25 points, or 2.3%. The Nasdaq composite (COMP) lost 73 points, or 3%.